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Open Color

Yellow 8

yellow-8 · #F08C00

HEX

#F08C00

RGB

rgb(240, 140, 0)

CMYK

cmyk(0%, 42%, 100%, 6%)

HSL

hsl(35, 100%, 47%)

LAB

lab(67.5, 30.7, 73.3)

What is Yellow 8?

Yellow 8 is the yellow-8 reference in the Open Color. Its sRGB value is #F08C00 (rgb 240, 140, 0). It sits in the yellow family. Open Color, an open-source color palette by Heeyeun designed for UI work. 13 hues across 10 shades (0 to 9) tuned for screen legibility and accessibility. See disclaimer for accuracy and trademark notes.

Accessibility

WCAG 2.1 contrast checks for Yellow 8 as a background.

Black text on this color

Sample text · 8.46 : 1
AA Normal
AA Large
AAA Normal
AAA Large

White text on this color

Sample text · 2.48 : 1
AA Normal
AA Large
AAA Normal
AAA Large

Shades, tints & tonal scale of Yellow 8

An 11-step tonal scale derived from Yellow 8 (#F08C00). Click any swatch to copy its HEX. Use these as a starting point for design tokens, hover states, and disabled states in a design system.

Copied #FEF6EB

50

#FEF6EB

#FEF6EB

Copied #FDEDD6

100

#FDEDD6

#FDEDD6

Copied #FADAAD

200

#FADAAD

#FADAAD

Copied #F8C680

300

#F8C680

#F8C680

Copied #F4A940

400

#F4A940

#F4A940

Copied #F08C00

500

#F08C00

#F08C00

Copied #CC7700

600

#CC7700

#CC7700

Copied #9C5B00

700

#9C5B00

#9C5B00

Copied #6C3F00

800

#6C3F00

#6C3F00

Copied #3C2300

900

#3C2300

#3C2300

Copied #1D1100

950

#1D1100

#1D1100

Lighter tints (mixed with white)

Copied #F2A46C

15%

#F2A46C

Copied #F5B995

30%

#F5B995

Copied #F7CBB3

45%

#F7CBB3

Copied #F9DBCB

60%

#F9DBCB

Copied #FBE9E1

75%

#FBE9E1

Darker shades (mixed with black)

Copied #DF8200

15%

#DF8200

Copied #CD7700

30%

#CD7700

Copied #B86A00

45%

#B86A00

Copied #9F5B00

60%

#9F5B00

Copied #814800

75%

#814800

Color harmonies for Yellow 8

Classic color-theory harmonies derived from rotating the hue of Yellow 8. Use these to build accent palettes, brand systems, and accessible UI color pairings.

Complementary

180° opposite — strongest contrast

Copied #F08C00

#F08C00

#F08C00

Copied #0064F0

#0064F0

#0064F0

Triadic

Three colors 120° apart

Copied #F08C00

#F08C00

#F08C00

Copied #00F08C

#00F08C

#00F08C

Copied #8C00F0

#8C00F0

#8C00F0

Analogous

Two neighbors ±30° on the wheel

Copied #F01400

#F01400

#F01400

Copied #F08C00

#F08C00

#F08C00

Copied #DCF000

#DCF000

#DCF000

Split-complementary

Base + two colors flanking its complement

Copied #F08C00

#F08C00

#F08C00

Copied #00DCF0

#00DCF0

#00DCF0

Copied #1400F0

#1400F0

#1400F0

Tetradic

Two complementary pairs

Copied #F08C00

#F08C00

#F08C00

Copied #64F000

#64F000

#64F000

Copied #0064F0

#0064F0

#0064F0

Copied #8C00F0

#8C00F0

#8C00F0

Square

Four colors evenly spaced 90° apart

Copied #F08C00

#F08C00

#F08C00

Copied #00F014

#00F014

#00F014

Copied #0064F0

#0064F0

#0064F0

Copied #F000DC

#F000DC

#F000DC

Yellow 8 in every color space

Full conversion of Yellow 8 across the color spaces designers and developers actually use — including OKLCH (the perceptually-uniform space that powers Tailwind v4 and CSS Color Module Level 4) and HWB.

HEX

#F08C00

RGB

rgb(240, 140, 0)

CMYK

cmyk(0%, 42%, 100%, 6%)

HSL

hsl(35, 100%, 47%)

HSV

hsv(35, 100%, 94%)

HWB

hwb(35 0% 6%)

CIE Lab

lab(67.5 30.7 73.3)

OKLCH

oklch(73.1% 0.167 62.6)

XYZ (D65)

xyz(45.32, 37.29, 4.81)

Copy-ready code for Yellow 8

Drop-in snippets for CSS, Tailwind, Sass, iOS Swift, and Android XML. Click the copy button on any snippet to put it on your clipboard.

CSS

color: #F08C00;
background-color: #F08C00;

CSS variable

:root {
  --color-yellow-8: #F08C00;
}

Tailwind config

// tailwind.config.js
colors: {
  'yellow-8': '#F08C00',
}

Sass

$color-yellow-8: #F08C00;

Swift UIColor

UIColor(red: 0.941, green: 0.549, blue: 0.000, alpha: 1.0)

Android XML

<color name="yellow-8">#F08C00</color>

Closest match in every color system

The nearest Yellow 8 equivalent in every other color system on this site, ranked by ΔE2000 perceptual distance. Useful when translating between design-system, web-standard, and industrial color references.

Closest in Open Color

Top 6 ΔE2000-closest entries within the same collection.

Top 6 ΔE2000-closest Pantone references. Cross-system matching is approximate — see disclaimer.

Top 6 ΔE2000-closest RAL Classic references for industrial coating cross-reference.

Copied #F39F18

RAL 1037

#F39F18

Sun yellow

Copied #EC7C26

RAL 2011

#EC7C26

Deep orange

Copied #ED760E

RAL 2000

#ED760E

Yellow orange

Copied #EFA94A

RAL 1034

#EFA94A

Pastel yellow

Copied #F3A505

RAL 1033

#F3A505

Dahlia yellow

Copied #E4A010

RAL 1006

#E4A010

Maize yellow

FAQ about Yellow 8

What is the HEX code for Yellow 8?

Yellow 8 (yellow-8) has the HEX code #F08C00. In RGB it is rgb(240, 140, 0), and in CMYK it is cmyk(0%, 42%, 100%, 6%).

What is the OKLCH value of Yellow 8?

Yellow 8 converts to oklch(0.731 0.167 62.6). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.

Is Yellow 8 accessible for body text?

Used as a background, Yellow 8 has a contrast ratio of 8.46:1 with black text and 2.48:1 with white text. WCAG 2.1 AA requires 4.5:1 for normal text. The current recommendation is to use black text and verify in real UI context.

What is the closest Pantone to Yellow 8?

The closest Pantone reference to Yellow 8 by ΔE2000 perceptual distance is Pantone 144 C (#ED8B00). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.

What is the closest RAL color to Yellow 8?

The closest RAL Classic reference to Yellow 8 by ΔE2000 distance is RAL 1037 (Sun yellow, #F39F18). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.

What is the complementary color of Yellow 8?

The complementary color (180° opposite on the HSL color wheel) of Yellow 8 is #0064F0. Use it for high-contrast accents, error states, or call-to-action pairings.

Data provenance & source

Open Color (Yeun)

Open Color, an open-source color palette by Heeyeun designed for UI designers and developers. 13 hues across 10 shades. Use as a designer-friendly palette alternative to Tailwind. Values are intentionally chosen for UI legibility and accessibility.

Source type
derived
Confidence
high
License
MIT
Last reviewed
2026-05-24

Workflow tags

open-color
design-token
ui
yellow

Open Color values are tuned for digital UI. For print, treat as a starting point and proof against the substrate.

Open Color · Yellow 8 — #F08C00 | PantoneTools