#CFDE66
Closest named color: Dull Yellow (#EEDC5B). oklch(86.5% 0.146 115.4), rgb(207, 222, 102).
Aa
Black text reads best on this color (14.29:1).
About this color
#CFDE66 is a light, vivid yellow. In OKLCH its lightness is 87%, its chroma 0.146 and its hue 115°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dull Yellow (#EEDC5B), ΔE 0.041 away. Black text reads best on it, at 14.29:1.
| Hue family | Yellows |
| Lightness | light (87%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Dull Yellow (#EEDC5B) |
| Black text | 14.29:1 |
| White text | 1.46:1 |
Values
| HEX | #CFDE66 |
| RGB | rgb(207, 222, 102) |
| HSL | hsl(68, 65%, 64%) |
| OKLCH | oklch(86.5% 0.146 115.4) |
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 #CFDE66 | 1.46:1 | Fails | Lc -25.2 | Dividers and decoration only |
| Black text on #CFDE66 | 14.29:1 | AAA | Lc 81.6 | Fine for body text |
| #CFDE66 text on white | 1.46:1 | Fails | Lc 22.1 | Dividers and decoration only |
| #CFDE66 text on black | 14.29:1 | AAA | Lc -81.1 | 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
#E8EFC6
oklch(93.6% 0.054 115.3)
-
Step 200
200 (this color)
#CFDE66
oklch(86.5% 0.146 115.4)
-
Step 300
300
#BDCD00
oklch(80.8% 0.184 115.3)
-
Step 400
400
#9DAB00
oklch(70.6% 0.161 115.5)
-
Step 500
500
#879300
oklch(63.2% 0.144 115.4)
-
Step 600
600
#717B00
oklch(55.5% 0.126 115.3)
-
Step 700
700
#5F6800
oklch(49.3% 0.112 115.5)
-
Step 800
800
#4D5500
oklch(42.8% 0.098 115.9)
-
Step 900
900
#404600
oklch(37.6% 0.085 115.2)
-
Step 950
950
#252A00
oklch(27.1% 0.062 116.5)
#CFDE66 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) | #ECD45A | 0.043 |
| Deuteranopia (no green cones) | #EBD66D | 0.045 |
| Tritanopia (no blue cones) | #DAD3C3 | 0.126 |
| Achromatopsia (no color) | #D5D5D5 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CFDE66
#CFDE66
oklch(86.5% 0.146 115.4)
- #D6CAFF
#D6CAFF
oklch(86.6% 0.074 295.2)
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 #CFDE66, closest first.
No curated palette has a color within ΔE 0.04 of #CFDE66.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Yellow #EEDC5B ΔE 0.041
- Greenish Beige #C9D179 ΔE 0.045
- Sandy #F1DA7A ΔE 0.056
- Maize #F4D054 ΔE 0.057
- Light Mustard #F7D560 ΔE 0.057
- Pale Olive Green #B1D27B ΔE 0.058
- Light Grey Green #B7E1A1 ΔE 0.064
- Sand Yellow #FCE166 ΔE 0.064
Use #CFDE66 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.