#DECD00
Closest named color: Mustard Yellow (#D2BD0A). oklch(83.6% 0.176 103.5), rgb(222, 205, 0).
Aa
Black text reads best on this color (12.83:1).
About this color
#DECD00 is a light, vivid yellow. In OKLCH its lightness is 84%, its chroma 0.176 and its hue 103°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard Yellow (#D2BD0A), ΔE 0.046 away. Black text reads best on it, at 12.83:1.
| Hue family | Yellows |
| Lightness | light (84%) |
| Chroma | vivid (0.176) |
| Temperature | warm |
| Nearest name | Mustard Yellow (#D2BD0A) |
| Black text | 12.83:1 |
| White text | 1.63:1 |
Values
| HEX | #DECD00 |
| RGB | rgb(222, 205, 0) |
| HSL | hsl(55, 100%, 44%) |
| OKLCH | oklch(83.6% 0.176 103.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #DECD00 | 1.63:1 | Fails | Lc -31.6 | Non-text elements, placeholder text |
| Black text on #DECD00 | 12.83:1 | AAA | Lc 75.7 | Fine for body text |
| #DECD00 text on white | 1.63:1 | Fails | Lc 28.1 | Dividers and decoration only |
| #DECD00 text on black | 12.83:1 | AAA | Lc -74.9 | Content text, not long reading |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 300.
-
Step 50
50
#F8F7E5
oklch(97.2% 0.024 104.2)
-
Step 100
100
#EFECC5
oklch(93.6% 0.051 103.7)
-
Step 200
200
#E4DD90
oklch(88.6% 0.098 103.7)
-
Step 300
300 (this color)
#DECD00
oklch(83.6% 0.176 103.5)
-
Step 400
400
#B1A400
oklch(70.7% 0.149 103.9)
-
Step 500
500
#988C00
oklch(63.1% 0.133 103.5)
-
Step 600
600
#807600
oklch(55.7% 0.117 103.6)
-
Step 700
700
#6B6300
oklch(49.2% 0.104 104)
-
Step 800
800
#585100
oklch(42.8% 0.09 103.8)
-
Step 900
900
#494300
oklch(37.7% 0.08 103.8)
-
Step 950
950
#2B2700
oklch(26.9% 0.057 103.7)
#DECD00 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #E1C600 | 0.018 |
| Deuteranopia (no green cones) | #E6CE24 | 0.016 |
| Tritanopia (no blue cones) | #F0BDAE | 0.162 |
| Achromatopsia (no color) | #CACACA | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DECD00
#DECD00
oklch(83.6% 0.176 103.5)
- #C1C3FF
#C1C3FF
oklch(83.6% 0.084 282.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #DECD00, closest first.
No curated palette has a color within ΔE 0.04 of #DECD00.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Yellow #D2BD0A ΔE 0.046
- Golden #F5BF03 ΔE 0.048
- Golden Yellow #FEC615 ΔE 0.051
- Maize #F4D054 ΔE 0.052
- Sunflower #FFC512 ΔE 0.053
- Marigold #FCC006 ΔE 0.054
- Dull Yellow #EEDC5B ΔE 0.057
- Gold #FFD700 ΔE 0.057
Use #DECD00 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.