#CDE577
Closest named color: Dull Yellow (#EEDC5B). oklch(88.1% 0.139 119.5), rgb(205, 229, 119).
Aa
Black text reads best on this color (15.06:1).
About this color
#CDE577 is a light, moderately saturated yellow. In OKLCH its lightness is 88%, its chroma 0.139 and its hue 119°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dull Yellow (#EEDC5B), ΔE 0.046 away. Black text reads best on it, at 15.06:1.
| Hue family | Yellows |
| Lightness | light (88%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Dull Yellow (#EEDC5B) |
| Black text | 15.06:1 |
| White text | 1.39:1 |
Values
| HEX | #CDE577 |
| RGB | rgb(205, 229, 119) |
| HSL | hsl(73, 68%, 68%) |
| OKLCH | oklch(88.1% 0.139 119.5) |
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 #CDE577 | 1.39:1 | Fails | Lc -21.7 | Dividers and decoration only |
| Black text on #CDE577 | 15.06:1 | AAA | Lc 84.7 | Fine for body text |
| #CDE577 text on white | 1.39:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #CDE577 text on black | 15.06:1 | AAA | Lc -84.5 | 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
#F3F8E6
oklch(97.1% 0.024 119.5)
-
Step 100
100
#E5EFC9
oklch(93.5% 0.051 119.4)
-
Step 200
200 (this color)
#CDE577
oklch(88.1% 0.139 119.5)
-
Step 300
300
#B4D02D
oklch(80.9% 0.178 119.4)
-
Step 400
400
#95AE00
oklch(70.7% 0.167 119.5)
-
Step 500
500
#809500
oklch(63.1% 0.149 119.2)
-
Step 600
600
#6B7D00
oklch(55.5% 0.131 119.3)
-
Step 700
700
#596900
oklch(49% 0.116 119.6)
-
Step 800
800
#495600
oklch(42.7% 0.101 119.3)
-
Step 900
900
#3C4800
oklch(37.7% 0.09 119.9)
-
Step 950
950
#232A00
oklch(26.9% 0.063 118.9)
#CDE577 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) | #F1DA6D | 0.052 |
| Deuteranopia (no green cones) | #EEDB7D | 0.052 |
| Tritanopia (no blue cones) | #D6DBCC | 0.118 |
| Achromatopsia (no color) | #DADADA | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDE577
#CDE577
oklch(88.1% 0.139 119.5)
- #DECEFF
#DECEFF
oklch(88% 0.069 299.9)
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 #CDE577, closest first.
No curated palette has a color within ΔE 0.04 of #CDE577.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Yellow #EEDC5B ΔE 0.046
- Pistachio #C0FA8B ΔE 0.052
- Washed Out Green #BCF5A6 ΔE 0.054
- Greenish Beige #C9D179 ΔE 0.055
- Light Grey Green #B7E1A1 ΔE 0.055
- Khaki #F0E68C ΔE 0.055
- Sandy #F1DA7A ΔE 0.056
- Light Sage #BCECAC ΔE 0.056
Use #CDE577 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.