#CEF3DA
Closest named color: Duck Egg Blue (#C3FBF4). oklch(93.1% 0.051 155.7), rgb(206, 243, 218).
Aa
Black text reads best on this color (17.45:1).
About this color
#CEF3DA is a very light, muted green. In OKLCH its lightness is 93%, its chroma 0.051 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Duck Egg Blue (#C3FBF4), ΔE 0.034 away. Black text reads best on it, at 17.45:1.
| Hue family | Greens |
| Lightness | very light (93%) |
| Chroma | muted (0.051) |
| Temperature | in between |
| Nearest name | Duck Egg Blue (#C3FBF4) |
| Black text | 17.45:1 |
| White text | 1.20:1 |
Values
| HEX | #CEF3DA |
| RGB | rgb(206, 243, 218) |
| HSL | hsl(139, 61%, 88%) |
| OKLCH | oklch(93.1% 0.051 155.7) |
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 #CEF3DA | 1.20:1 | Fails | Lc -11.6 | Not readable |
| Black text on #CEF3DA | 17.45:1 | AAA | Lc 93.6 | Preferred for body text |
| #CEF3DA text on white | 1.20:1 | Fails | Lc 9.9 | Not readable |
| #CEF3DA text on black | 17.45:1 | AAA | Lc -94.2 | Preferred 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 100.
-
Step 50
50
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100 (this color)
#CEF3DA
oklch(93.1% 0.051 155.7)
-
Step 200
200
#C7E1CF
oklch(88.6% 0.037 155.4)
-
Step 300
300
#9FCEAF
oklch(81% 0.066 155.8)
-
Step 400
400
#66B485
oklch(70.7% 0.104 156.1)
-
Step 500
500
#31A166
oklch(63.2% 0.134 155.8)
-
Step 600
600
#008A50
oklch(55.7% 0.136 155.8)
-
Step 700
700
#007442
oklch(49.1% 0.12 155.6)
-
Step 800
800
#005F35
oklch(42.7% 0.104 155.6)
-
Step 900
900
#084F2D
oklch(37.8% 0.088 155.8)
-
Step 950
950
#0A2E1A
oklch(26.9% 0.055 155.2)
#CEF3DA 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) | #F3EDD9 | 0.048 |
| Deuteranopia (no green cones) | #ECE8DB | 0.046 |
| Tritanopia (no blue cones) | #C8F2EC | 0.026 |
| Achromatopsia (no color) | #EAEAEA | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CEF3DA
#CEF3DA
oklch(93.1% 0.051 155.7)
- #FFDCF5
#FFDCF5
oklch(93.1% 0.05 336.2)
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 #CEF3DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Duck Egg Blue #C3FBF4 ΔE 0.034
- Pale Aqua #B8FFEB ΔE 0.036
- Eggshell Blue #C4FFF7 ΔE 0.041
- Light Light Blue #CAFFFB ΔE 0.045
- Tea Green #CAE7B9 ΔE 0.046
- Pale Cyan #B7FFFA ΔE 0.046
- Pale Silver #D8E2DC ΔE 0.047
- Ice #D6FFFA ΔE 0.047
Use #CEF3DA 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.