#CEF3E4
Closest named color: Duck Egg Blue (#C3FBF4). oklch(93.4% 0.043 168.9), rgb(206, 243, 228).
Aa
Black text reads best on this color (17.56:1).
About this color
#CEF3E4 is a very light, muted green. In OKLCH its lightness is 93%, its chroma 0.043 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Duck Egg Blue (#C3FBF4), ΔE 0.025 away. Black text reads best on it, at 17.56:1.
| Hue family | Greens |
| Lightness | very light (93%) |
| Chroma | muted (0.043) |
| Temperature | in between |
| Nearest name | Duck Egg Blue (#C3FBF4) |
| Black text | 17.56:1 |
| White text | 1.19:1 |
Values
| HEX | #CEF3E4 |
| RGB | rgb(206, 243, 228) |
| HSL | hsl(156, 61%, 88%) |
| OKLCH | oklch(93.4% 0.043 168.9) |
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 #CEF3E4 | 1.19:1 | Fails | Lc -11.1 | Not readable |
| Black text on #CEF3E4 | 17.56:1 | AAA | Lc 94.0 | Preferred for body text |
| #CEF3E4 text on white | 1.19:1 | Fails | Lc 9.5 | Not readable |
| #CEF3E4 text on black | 17.56:1 | AAA | Lc -94.7 | 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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100 (this color)
#CEF3E4
oklch(93.4% 0.043 168.9)
-
Step 200
200
#C6E0D5
oklch(88.4% 0.031 168.3)
-
Step 300
300
#9ECDBA
oklch(81% 0.056 168.2)
-
Step 400
400
#64B397
oklch(70.8% 0.089 168.8)
-
Step 500
500
#2A9F7D
oklch(63% 0.114 168.8)
-
Step 600
600
#008868
oklch(55.7% 0.112 168.9)
-
Step 700
700
#007257
oklch(49.1% 0.098 169.1)
-
Step 800
800
#005E47
oklch(42.8% 0.086 168.9)
-
Step 900
900
#034E3B
oklch(37.7% 0.074 169.2)
-
Step 950
950
#082E22
oklch(27.1% 0.048 167.9)
#CEF3E4 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) | #F1EEE3 | 0.045 |
| Deuteranopia (no green cones) | #EAE9E5 | 0.042 |
| Tritanopia (no blue cones) | #C6F3EE | 0.016 |
| Achromatopsia (no color) | #EBEBEB | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CEF3E4
#CEF3E4
oklch(93.4% 0.043 168.9)
- #FFDFED
#FFDFED
oklch(93.4% 0.04 349.6)
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 #CEF3E4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Duck Egg Blue #C3FBF4 ΔE 0.025
- Eggshell Blue #C4FFF7 ΔE 0.033
- Pale Aqua #B8FFEB ΔE 0.036
- Light Light Blue #CAFFFB ΔE 0.036
- Pale Sky Blue #BDF6FE ΔE 0.036
- Pale Blue #D0FEFE ΔE 0.038
- Ice #D6FFFA ΔE 0.039
- Pale Cyan #B7FFFA ΔE 0.039
Use #CEF3E4 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.