#CEF8E5
Closest named color: Duck Egg Blue (#C3FBF4). oklch(94.4% 0.05 166.1), rgb(206, 248, 229).
Aa
Black text reads best on this color (18.18:1).
About this color
#CEF8E5 is a very light, muted green. In OKLCH its lightness is 94%, its chroma 0.050 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Duck Egg Blue (#C3FBF4), ΔE 0.021 away. Black text reads best on it, at 18.18:1.
| Hue family | Greens |
| Lightness | very light (94%) |
| Chroma | muted (0.050) |
| Temperature | in between |
| Nearest name | Duck Egg Blue (#C3FBF4) |
| Black text | 18.18:1 |
| White text | 1.15:1 |
Values
| HEX | #CEF8E5 |
| RGB | rgb(206, 248, 229) |
| HSL | hsl(153, 75%, 89%) |
| OKLCH | oklch(94.4% 0.05 166.1) |
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 #CEF8E5 | 1.15:1 | Fails | Lc -8.6 | Not readable |
| Black text on #CEF8E5 | 18.18:1 | AAA | Lc 96.3 | Preferred for body text |
| #CEF8E5 text on white | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #CEF8E5 text on black | 18.18:1 | AAA | Lc -97.1 | 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
#F0F7F4
oklch(97% 0.008 168.8)
-
Step 100
100 (this color)
#CEF8E5
oklch(94.4% 0.05 166.1)
-
Step 200
200
#C4E1D4
oklch(88.5% 0.035 166.8)
-
Step 300
300
#99CEB7
oklch(80.8% 0.064 166.2)
-
Step 400
400
#59B592
oklch(70.7% 0.103 166.3)
-
Step 500
500
#00A277
oklch(63.2% 0.131 166)
-
Step 600
600
#008864
oklch(55.6% 0.115 166.4)
-
Step 700
700
#007253
oklch(49% 0.101 166.2)
-
Step 800
800
#005E44
oklch(42.7% 0.088 166.3)
-
Step 900
900
#004E38
oklch(37.6% 0.078 166.4)
-
Step 950
950
#022F20
oklch(27.1% 0.055 165.2)
#CEF8E5 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) | #F6F2E4 | 0.051 |
| Deuteranopia (no green cones) | #EEECE6 | 0.049 |
| Tritanopia (no blue cones) | #C6F8F2 | 0.019 |
| Achromatopsia (no color) | #EFEFEF | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CEF8E5
#CEF8E5
oklch(94.4% 0.05 166.1)
- #FFE4F1
#FFE4F1
oklch(94.4% 0.034 347)
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 #CEF8E5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Duck Egg Blue #C3FBF4 ΔE 0.021
- Eggshell Blue #C4FFF7 ΔE 0.025
- Pale Aqua #B8FFEB ΔE 0.027
- Light Light Blue #CAFFFB ΔE 0.029
- Ice #D6FFFA ΔE 0.032
- Pale Blue #D0FEFE ΔE 0.033
- Pale Cyan #B7FFFA ΔE 0.034
- Very Pale Blue #D6FFFE ΔE 0.036
Use #CEF8E5 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.