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
White text on this color
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.
50
#FEF6EB
#FEF6EB
100
#FDEDD6
#FDEDD6
200
#FADAAD
#FADAAD
300
#F8C680
#F8C680
400
#F4A940
#F4A940
500
#F08C00
#F08C00
600
#CC7700
#CC7700
700
#9C5B00
#9C5B00
800
#6C3F00
#6C3F00
900
#3C2300
#3C2300
950
#1D1100
#1D1100
Lighter tints (mixed with white)
15%
#F2A46C
30%
#F5B995
45%
#F7CBB3
60%
#F9DBCB
75%
#FBE9E1
Darker shades (mixed with black)
15%
#DF8200
30%
#CD7700
45%
#B86A00
60%
#9F5B00
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
#F08C00
#F08C00
#0064F0
#0064F0
Triadic
Three colors 120° apart
#F08C00
#F08C00
#00F08C
#00F08C
#8C00F0
#8C00F0
Analogous
Two neighbors ±30° on the wheel
#F01400
#F01400
#F08C00
#F08C00
#DCF000
#DCF000
Split-complementary
Base + two colors flanking its complement
#F08C00
#F08C00
#00DCF0
#00DCF0
#1400F0
#1400F0
Tetradic
Two complementary pairs
#F08C00
#F08C00
#64F000
#64F000
#0064F0
#0064F0
#8C00F0
#8C00F0
Square
Four colors evenly spaced 90° apart
#F08C00
#F08C00
#00F014
#00F014
#0064F0
#0064F0
#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.
Closest Pantone matches
Top 6 ΔE2000-closest Pantone references. Cross-system matching is approximate — see disclaimer.
Closest RAL Classic matches
Top 6 ΔE2000-closest RAL Classic references for industrial coating cross-reference.
RAL 1037
#F39F18
Sun yellow
RAL 2011
#EC7C26
Deep orange
RAL 2000
#ED760E
Yellow orange
RAL 1034
#EFA94A
Pastel yellow
RAL 1033
#F3A505
Dahlia yellow
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 values are tuned for digital UI. For print, treat as a starting point and proof against the substrate.