#CEF2EF
Closest named color: Duck Egg Blue (#C3FBF4). oklch(93.5% 0.038 190.4), rgb(206, 242, 239).
Aa
Black text reads best on this color (17.57:1).
About this color
#CEF2EF is a very light, muted teal or cyan. In OKLCH its lightness is 93%, its chroma 0.038 and its hue 190°. 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 17.57:1.
| Hue family | Teals and cyans |
| Lightness | very light (93%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Duck Egg Blue (#C3FBF4) |
| Black text | 17.57:1 |
| White text | 1.19:1 |
Values
| HEX | #CEF2EF |
| RGB | rgb(206, 242, 239) |
| HSL | hsl(175, 58%, 88%) |
| OKLCH | oklch(93.5% 0.038 190.4) |
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 #CEF2EF | 1.19:1 | Fails | Lc -11.1 | Not readable |
| Black text on #CEF2EF | 17.57:1 | AAA | Lc 94.0 | Preferred for body text |
| #CEF2EF text on white | 1.19:1 | Fails | Lc 9.5 | Not readable |
| #CEF2EF text on black | 17.57:1 | 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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100 (this color)
#CEF2EF
oklch(93.5% 0.038 190.4)
-
Step 200
200
#C6DFDD
oklch(88.5% 0.027 190.8)
-
Step 300
300
#9DCBC8
oklch(80.9% 0.048 191.3)
-
Step 400
400
#63B0AB
oklch(70.6% 0.077 190.1)
-
Step 500
500
#299C97
oklch(63% 0.098 190.6)
-
Step 600
600
#008580
oklch(55.7% 0.096 190.1)
-
Step 700
700
#00706C
oklch(49.2% 0.085 190.4)
-
Step 800
800
#005C58
oklch(42.8% 0.074 189.6)
-
Step 900
900
#024C49
oklch(37.6% 0.064 190.2)
-
Step 950
950
#082D2B
oklch(27.1% 0.041 189.8)
#CEF2EF 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) | #EEEEEF | 0.040 |
| Deuteranopia (no green cones) | #E6E9EF | 0.036 |
| Tritanopia (no blue cones) | #C4F4F1 | 0.012 |
| Achromatopsia (no color) | #EBEBEB | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CEF2EF
#CEF2EF
oklch(93.5% 0.038 190.4)
- #FFE1E4
#FFE1E4
oklch(93.5% 0.033 10.9)
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 #CEF2EF, 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 0.025
- Diamond #B9F2FF ΔE 0.031
- Pale Blue #D0FEFE ΔE 0.032
- Light Light Blue #CAFFFB ΔE 0.032
- Eggshell Blue #C4FFF7 ΔE 0.033
- Ice #D6FFFA ΔE 0.036
- Really Light Blue #D4FFFF ΔE 0.036
Use #CEF2EF 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.