#CEF5DD
Closest named color: Duck Egg Blue (#C3FBF4). oklch(93.6% 0.052 158.2), rgb(206, 245, 221).
Aa
Black text reads best on this color (17.72:1).
About this color
#CEF5DD is a very light, muted green. In OKLCH its lightness is 94%, its chroma 0.052 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Duck Egg Blue (#C3FBF4), ΔE 0.030 away. Black text reads best on it, at 17.72:1.
| Hue family | Greens |
| Lightness | very light (94%) |
| Chroma | muted (0.052) |
| Temperature | in between |
| Nearest name | Duck Egg Blue (#C3FBF4) |
| Black text | 17.72:1 |
| White text | 1.18:1 |
Values
| HEX | #CEF5DD |
| RGB | rgb(206, 245, 221) |
| HSL | hsl(143, 66%, 88%) |
| OKLCH | oklch(93.6% 0.052 158.2) |
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 #CEF5DD | 1.18:1 | Fails | Lc -10.4 | Not readable |
| Black text on #CEF5DD | 17.72:1 | AAA | Lc 94.6 | Preferred for body text |
| #CEF5DD text on white | 1.18:1 | Fails | Lc 8.9 | Not readable |
| #CEF5DD text on black | 17.72:1 | AAA | Lc -95.3 | 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)
#CEF5DD
oklch(93.6% 0.052 158.2)
-
Step 200
200
#C6E1D0
oklch(88.5% 0.037 157.9)
-
Step 300
300
#9DCEB1
oklch(80.9% 0.066 158.6)
-
Step 400
400
#61B587
oklch(70.7% 0.107 158.1)
-
Step 500
500
#25A269
oklch(63.2% 0.137 157.9)
-
Step 600
600
#008955
oklch(55.5% 0.129 158.2)
-
Step 700
700
#007447
oklch(49.2% 0.115 158)
-
Step 800
800
#005F39
oklch(42.8% 0.1 157.9)
-
Step 900
900
#004F2F
oklch(37.7% 0.088 158.2)
-
Step 950
950
#072E1C
oklch(26.9% 0.055 158.9)
#CEF5DD 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) | #F4EFDC | 0.049 |
| Deuteranopia (no green cones) | #EDEADE | 0.047 |
| Tritanopia (no blue cones) | #C8F4EE | 0.024 |
| Achromatopsia (no color) | #ECECEC | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CEF5DD
#CEF5DD
oklch(93.6% 0.052 158.2)
- #FFDFF4
#FFDFF4
oklch(93.6% 0.044 338.7)
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 #CEF5DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Duck Egg Blue #C3FBF4 ΔE 0.030
- Pale Aqua #B8FFEB ΔE 0.032
- Eggshell Blue #C4FFF7 ΔE 0.036
- Light Light Blue #CAFFFB ΔE 0.040
- Pale Cyan #B7FFFA ΔE 0.042
- Ice #D6FFFA ΔE 0.042
- Pale Blue #D0FEFE ΔE 0.044
- Pale Sky Blue #BDF6FE ΔE 0.046
Use #CEF5DD 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.