#CDE57C
Closest named color: Dull Yellow (#EEDC5B). oklch(88.2% 0.134 119.8), rgb(205, 229, 124).
Aa
Black text reads best on this color (15.09:1).
About this color
#CDE57C is a light, moderately saturated yellow. In OKLCH its lightness is 88%, its chroma 0.134 and its hue 120°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dull Yellow (#EEDC5B), ΔE 0.048 away. Black text reads best on it, at 15.09:1.
| Hue family | Yellows |
| Lightness | light (88%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Dull Yellow (#EEDC5B) |
| Black text | 15.09:1 |
| White text | 1.39:1 |
Values
| HEX | #CDE57C |
| RGB | rgb(205, 229, 124) |
| HSL | hsl(74, 67%, 69%) |
| OKLCH | oklch(88.2% 0.134 119.8) |
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 #CDE57C | 1.39:1 | Fails | Lc -21.6 | Dividers and decoration only |
| Black text on #CDE57C | 15.09:1 | AAA | Lc 84.7 | Fine for body text |
| #CDE57C text on white | 1.39:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #CDE57C text on black | 15.09:1 | AAA | Lc -84.6 | Fine for body text |
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 200.
-
Step 50
50
#F3F8E7
oklch(97.1% 0.023 120.2)
-
Step 100
100
#E5EFCB
oklch(93.5% 0.049 120)
-
Step 200
200 (this color)
#CDE57C
oklch(88.2% 0.134 119.8)
-
Step 300
300
#B3D039
oklch(80.9% 0.172 120)
-
Step 400
400
#94AE00
oklch(70.6% 0.167 119.8)
-
Step 500
500
#7F9500
oklch(63% 0.149 119.6)
-
Step 600
600
#6A7D00
oklch(55.5% 0.131 119.7)
-
Step 700
700
#596900
oklch(49% 0.116 119.6)
-
Step 800
800
#485600
oklch(42.6% 0.101 120)
-
Step 900
900
#3C4800
oklch(37.7% 0.09 119.9)
-
Step 950
950
#232B00
oklch(27.2% 0.064 120)
#CDE57C 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) | #F1DB73 | 0.051 |
| Deuteranopia (no green cones) | #EEDB82 | 0.052 |
| Tritanopia (no blue cones) | #D6DBCC | 0.113 |
| Achromatopsia (no color) | #DADADA | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDE57C
#CDE57C
oklch(88.2% 0.134 119.8)
- #DECFFF
#DECFFF
oklch(88.2% 0.067 299.3)
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 #CDE57C, closest first.
No curated palette has a color within ΔE 0.04 of #CDE57C.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Yellow #EEDC5B ΔE 0.048
- Washed Out Green #BCF5A6 ΔE 0.051
- Light Grey Green #B7E1A1 ΔE 0.051
- Light Sage #BCECAC ΔE 0.052
- Pistachio #C0FA8B ΔE 0.053
- Khaki #F0E68C ΔE 0.053
- Greenish Beige #C9D179 ΔE 0.053
- Sandy #F1DA7A ΔE 0.054
Use #CDE57C 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.