Yellow 2
yellow-2 · #FFEC99
HEX
#FFEC99
RGB
rgb(255, 236, 153)
CMYK
cmyk(0%, 7%, 40%, 0%)
HSL
hsl(49, 100%, 80%)
LAB
lab(93.3, -4.8, 42.5)
What is Yellow 2?
Yellow 2 is the yellow-2 reference in the Open Color. Its sRGB value is #FFEC99 (rgb 255, 236, 153). 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 2 as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Yellow 2
An 11-step tonal scale derived from Yellow 2 (#FFEC99). 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
#FFFDF7
#FFFDF7
100
#FFFCEF
#FFFCEF
200
#FFF9DE
#FFF9DE
300
#FFF6CC
#FFF6CC
400
#FFF1B3
#FFF1B3
500
#FFEC99
#FFEC99
600
#D9C982
#D9C982
700
#A69963
#A69963
800
#736A45
#736A45
900
#403B26
#403B26
950
#1F1C12
#1F1C12
Lighter tints (mixed with white)
15%
#FFEFAE
30%
#FFF2BF
45%
#FFF5CF
60%
#FFF8DE
75%
#FFFAEB
Darker shades (mixed with black)
15%
#EDDC8E
30%
#DAC982
45%
#C4B574
60%
#AA9D64
75%
#897E50
Color harmonies for Yellow 2
Classic color-theory harmonies derived from rotating the hue of Yellow 2. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#FFEC99
#FFEC99
#99ACFF
#99ACFF
Triadic
Three colors 120° apart
#FFEC99
#FFEC99
#99FFEC
#99FFEC
#EC99FF
#EC99FF
Analogous
Two neighbors ±30° on the wheel
#FFB999
#FFB999
#FFEC99
#FFEC99
#DFFF99
#DFFF99
Split-complementary
Base + two colors flanking its complement
#FFEC99
#FFEC99
#99DFFF
#99DFFF
#B999FF
#B999FF
Tetradic
Two complementary pairs
#FFEC99
#FFEC99
#ACFF99
#ACFF99
#99ACFF
#99ACFF
#EC99FF
#EC99FF
Square
Four colors evenly spaced 90° apart
#FFEC99
#FFEC99
#99FFB9
#99FFB9
#99ACFF
#99ACFF
#FF99DF
#FF99DF
Yellow 2 in every color space
Full conversion of Yellow 2 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
#FFEC99
RGB
rgb(255, 236, 153)
CMYK
cmyk(0%, 7%, 40%, 0%)
HSL
hsl(49, 100%, 80%)
HSV
hsv(49, 40%, 100%)
HWB
hwb(49 60% 0%)
CIE Lab
lab(93.3 -4.8 42.5)
OKLCH
oklch(94.0% 0.105 96.8)
XYZ (D65)
xyz(76.99, 83.55, 42.20)
Copy-ready code for Yellow 2
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: #FFEC99;
background-color: #FFEC99;CSS variable
:root {
--color-yellow-2: #FFEC99;
}Tailwind config
// tailwind.config.js
colors: {
'yellow-2': '#FFEC99',
}Sass
$color-yellow-2: #FFEC99;Swift UIColor
UIColor(red: 1.000, green: 0.925, blue: 0.600, alpha: 1.0)Android XML
<color name="yellow-2">#FFEC99</color>Closest match in every color system
The nearest Yellow 2 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 1015
#E6D690
Light ivory
RAL 1014
#E1CC4F
Ivory
RAL 1017
#F5D033
Saffron yellow
RAL 1021
#F3DA0B
Rape yellow
RAL 1018
#F8F32B
Zinc yellow
RAL 1023
#FAD201
Traffic yellow
FAQ about Yellow 2
What is the HEX code for Yellow 2?
Yellow 2 (yellow-2) has the HEX code #FFEC99. In RGB it is rgb(255, 236, 153), and in CMYK it is cmyk(0%, 7%, 40%, 0%).
What is the OKLCH value of Yellow 2?
Yellow 2 converts to oklch(0.940 0.105 96.8). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Yellow 2 accessible for body text?
Used as a background, Yellow 2 has a contrast ratio of 17.71:1 with black text and 1.19:1 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 2?
The closest Pantone reference to Yellow 2 by ΔE2000 perceptual distance is Pantone 100 C (#F4ED7C). 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 2?
The closest RAL Classic reference to Yellow 2 by ΔE2000 distance is RAL 1015 (Light ivory, #E6D690). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.
What is the complementary color of Yellow 2?
The complementary color (180° opposite on the HSL color wheel) of Yellow 2 is #99ACFF. 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.