#CEF5EE
Closest named color: Duck Egg Blue (#C3FBF4). oklch(94.1% 0.041 183.4), rgb(206, 245, 238).
Aa
Black text reads best on this color (17.91:1).
About this color
#CEF5EE is a very light, muted teal or cyan. In OKLCH its lightness is 94%, its chroma 0.041 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Duck Egg Blue (#C3FBF4), ΔE 0.018 away. Black text reads best on it, at 17.91:1.
| Hue family | Teals and cyans |
| Lightness | very light (94%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Duck Egg Blue (#C3FBF4) |
| Black text | 17.91:1 |
| White text | 1.17:1 |
Values
| HEX | #CEF5EE |
| RGB | rgb(206, 245, 238) |
| HSL | hsl(169, 66%, 88%) |
| OKLCH | oklch(94.1% 0.041 183.4) |
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 #CEF5EE | 1.17:1 | Fails | Lc -9.6 | Not readable |
| Black text on #CEF5EE | 17.91:1 | AAA | Lc 95.3 | Preferred for body text |
| #CEF5EE text on white | 1.17:1 | Fails | Lc 8.2 | Not readable |
| #CEF5EE text on black | 17.91:1 | AAA | Lc -96.1 | 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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100 (this color)
#CEF5EE
oklch(94.1% 0.041 183.4)
-
Step 200
200
#C5E0DB
oklch(88.5% 0.029 183.3)
-
Step 300
300
#9BCCC4
oklch(80.8% 0.052 183.9)
-
Step 400
400
#5DB2A6
oklch(70.7% 0.085 183.6)
-
Step 500
500
#159E90
oklch(63% 0.108 183.7)
-
Step 600
600
#008679
oklch(55.7% 0.099 183.1)
-
Step 700
700
#007066
oklch(49% 0.087 184.2)
-
Step 800
800
#005C53
oklch(42.6% 0.076 183.4)
-
Step 900
900
#004D45
oklch(37.7% 0.067 183.1)
-
Step 950
950
#042D29
oklch(26.9% 0.044 185.2)
#CEF5EE 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) | #F1F0EE | 0.044 |
| Deuteranopia (no green cones) | #E9EBEF | 0.041 |
| Tritanopia (no blue cones) | #C4F7F3 | 0.012 |
| Achromatopsia (no color) | #EDEDED | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CEF5EE
#CEF5EE
oklch(94.1% 0.041 183.4)
- #FFE3E9
#FFE3E9
oklch(94% 0.032 3.1)
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 #CEF5EE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Duck Egg Blue #C3FBF4 ΔE 0.018
- Eggshell Blue #C4FFF7 ΔE 0.026
- Light Light Blue #CAFFFB ΔE 0.026
- Pale Sky Blue #BDF6FE ΔE 0.027
- Pale Blue #D0FEFE ΔE 0.027
- Ice #D6FFFA ΔE 0.029
- Really Light Blue #D4FFFF ΔE 0.031
- Very Pale Blue #D6FFFE ΔE 0.032
Use #CEF5EE 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.