#CDDE63
Closest named color: Dull Yellow (#EEDC5B). oklch(86.3% 0.149 116.2), rgb(205, 222, 99).
Aa
Black text reads best on this color (14.22:1).
About this color
#CDDE63 is a light, vivid yellow. In OKLCH its lightness is 86%, its chroma 0.149 and its hue 116°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dull Yellow (#EEDC5B), ΔE 0.044 away. Black text reads best on it, at 14.22:1.
| Hue family | Yellows |
| Lightness | light (86%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Dull Yellow (#EEDC5B) |
| Black text | 14.22:1 |
| White text | 1.47:1 |
Values
| HEX | #CDDE63 |
| RGB | rgb(205, 222, 99) |
| HSL | hsl(68, 65%, 63%) |
| OKLCH | oklch(86.3% 0.149 116.2) |
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 #CDDE63 | 1.47:1 | Fails | Lc -25.5 | Dividers and decoration only |
| Black text on #CDDE63 | 14.22:1 | AAA | Lc 81.3 | Fine for body text |
| #CDDE63 text on white | 1.47:1 | Fails | Lc 22.4 | Dividers and decoration only |
| #CDDE63 text on black | 14.22:1 | AAA | Lc -80.8 | 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
#F4F8E5
oklch(97.1% 0.025 116.5)
-
Step 100
100
#E7EFC5
oklch(93.5% 0.056 116.2)
-
Step 200
200 (this color)
#CDDE63
oklch(86.3% 0.149 116.2)
-
Step 300
300
#BBCE00
oklch(80.9% 0.185 116.3)
-
Step 400
400
#9CAC00
oklch(70.7% 0.162 116.2)
-
Step 500
500
#869300
oklch(63.1% 0.144 115.9)
-
Step 600
600
#707C00
oklch(55.7% 0.128 116.3)
-
Step 700
700
#5E6800
oklch(49.2% 0.113 116.2)
-
Step 800
800
#4D5500
oklch(42.8% 0.098 115.9)
-
Step 900
900
#3F4700
oklch(37.7% 0.087 116.8)
-
Step 950
950
#252A00
oklch(27.1% 0.062 116.5)
#CDDE63 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) | #ECD456 | 0.046 |
| Deuteranopia (no green cones) | #EAD56A | 0.047 |
| Tritanopia (no blue cones) | #D8D3C3 | 0.129 |
| Achromatopsia (no color) | #D4D4D4 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDDE63
#CDDE63
oklch(86.3% 0.149 116.2)
- #D6C9FF
#D6C9FF
oklch(86.4% 0.075 295.8)
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 #CDDE63, closest first.
No curated palette has a color within ΔE 0.04 of #CDDE63.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Yellow #EEDC5B ΔE 0.044
- Greenish Beige #C9D179 ΔE 0.047
- Pale Olive Green #B1D27B ΔE 0.058
- Maize #F4D054 ΔE 0.060
- Sandy #F1DA7A ΔE 0.060
- Light Mustard #F7D560 ΔE 0.061
- Light Grey Green #B7E1A1 ΔE 0.066
- Greenish Tan #BCCB7A ΔE 0.067
Use #CDDE63 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.