#CEF2E9
Closest named color: Duck Egg Blue (#C3FBF4). oklch(93.3% 0.039 178.6), rgb(206, 242, 233).
Aa
Black text reads best on this color (17.50:1).
About this color
#CEF2E9 is a very light, muted teal or cyan. In OKLCH its lightness is 93%, its chroma 0.039 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Duck Egg Blue (#C3FBF4), ΔE 0.024 away. Black text reads best on it, at 17.50:1.
| Hue family | Teals and cyans |
| Lightness | very light (93%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Duck Egg Blue (#C3FBF4) |
| Black text | 17.50:1 |
| White text | 1.19:1 |
Values
| HEX | #CEF2E9 |
| RGB | rgb(206, 242, 233) |
| HSL | hsl(165, 58%, 88%) |
| OKLCH | oklch(93.3% 0.039 178.6) |
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 #CEF2E9 | 1.19:1 | Fails | Lc -11.4 | Not readable |
| Black text on #CEF2E9 | 17.50:1 | AAA | Lc 93.8 | Preferred for body text |
| #CEF2E9 text on white | 1.19:1 | Fails | Lc 9.8 | Not readable |
| #CEF2E9 text on black | 17.50:1 | AAA | Lc -94.4 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100 (this color)
#CEF2E9
oklch(93.3% 0.039 178.6)
-
Step 200
200
#C6E0D9
oklch(88.6% 0.029 177.6)
-
Step 300
300
#9ECCC1
oklch(80.9% 0.051 178.7)
-
Step 400
400
#64B1A1
oklch(70.6% 0.081 178.9)
-
Step 500
500
#2C9E8A
oklch(63.2% 0.104 178.3)
-
Step 600
600
#008674
oklch(55.5% 0.101 178.9)
-
Step 700
700
#007161
oklch(49.1% 0.09 178.4)
-
Step 800
800
#005D4F
oklch(42.8% 0.079 177.8)
-
Step 900
900
#044D42
oklch(37.7% 0.067 178.7)
-
Step 950
950
#092D27
oklch(27% 0.042 179.7)
#CEF2E9 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) | #EFEDE9 | 0.042 |
| Deuteranopia (no green cones) | #E8E8EA | 0.040 |
| Tritanopia (no blue cones) | #C5F3EF | 0.012 |
| Achromatopsia (no color) | #EAEAEA | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CEF2E9
#CEF2E9
oklch(93.3% 0.039 178.6)
- #FFDFE8
#FFDFE8
oklch(93.3% 0.037 359)
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 #CEF2E9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Duck Egg Blue #C3FBF4 ΔE 0.024
- Pale Sky Blue #BDF6FE ΔE 0.031
- Eggshell Blue #C4FFF7 ΔE 0.033
- Light Light Blue #CAFFFB ΔE 0.034
- Pale Blue #D0FEFE ΔE 0.036
- Diamond #B9F2FF ΔE 0.036
- Ice #D6FFFA ΔE 0.038
- Pale Turquoise #AFEEEE ΔE 0.038
Use #CEF2E9 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.