#CEF5F4
Closest named color: Duck Egg Blue (#C3FBF4). oklch(94.2% 0.04 194.6), rgb(206, 245, 244).
Aa
Black text reads best on this color (17.99:1).
About this color
#CEF5F4 is a very light, muted teal or cyan. In OKLCH its lightness is 94%, its chroma 0.040 and its hue 195°. Its hue sits on the cool side of the wheel. The nearest named color is Duck Egg Blue (#C3FBF4), ΔE 0.019 away. Black text reads best on it, at 17.99:1.
| Hue family | Teals and cyans |
| Lightness | very light (94%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Duck Egg Blue (#C3FBF4) |
| Black text | 17.99:1 |
| White text | 1.16:1 |
Values
| HEX | #CEF5F4 |
| RGB | rgb(206, 245, 244) |
| HSL | hsl(178, 66%, 88%) |
| OKLCH | oklch(94.2% 0.04 194.6) |
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 #CEF5F4 | 1.16:1 | Fails | Lc -9.4 | Not readable |
| Black text on #CEF5F4 | 17.99:1 | AAA | Lc 95.6 | Preferred for body text |
| #CEF5F4 text on white | 1.16:1 | Fails | Lc 7.9 | Not readable |
| #CEF5F4 text on black | 17.99:1 | AAA | Lc -96.4 | 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
#F0F7F7
oklch(97.1% 0.007 197)
-
Step 100
100 (this color)
#CEF5F4
oklch(94.2% 0.04 194.6)
-
Step 200
200
#C4DFDF
oklch(88.4% 0.029 196.6)
-
Step 300
300
#9ACCCB
oklch(81% 0.052 194.6)
-
Step 400
400
#5CB1B0
oklch(70.7% 0.083 194.4)
-
Step 500
500
#0E9D9D
oklch(63.1% 0.106 194.8)
-
Step 600
600
#008484
oklch(55.5% 0.095 194.8)
-
Step 700
700
#006F6F
oklch(49% 0.084 194.8)
-
Step 800
800
#005B5B
oklch(42.7% 0.073 194.8)
-
Step 900
900
#004C4C
oklch(37.7% 0.064 194.8)
-
Step 950
950
#032D2D
oklch(27% 0.044 194.9)
#CEF5F4 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) | #F0F1F4 | 0.043 |
| Deuteranopia (no green cones) | #E8EBF4 | 0.039 |
| Tritanopia (no blue cones) | #C3F8F5 | 0.014 |
| Achromatopsia (no color) | #EDEDED | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CEF5F4
#CEF5F4
oklch(94.2% 0.04 194.6)
- #FFE5E6
#FFE5E6
oklch(94.3% 0.029 15)
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 #CEF5F4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Duck Egg Blue #C3FBF4 ΔE 0.019
- Pale Sky Blue #BDF6FE ΔE 0.022
- Pale Blue #D0FEFE ΔE 0.024
- Light Light Blue #CAFFFB ΔE 0.025
- Eggshell Blue #C4FFF7 ΔE 0.026
- Really Light Blue #D4FFFF ΔE 0.028
- Ice #D6FFFA ΔE 0.028
- Very Light Blue #D5FFFF ΔE 0.028
Use #CEF5F4 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.