#CEF9FF
Closest named color: Pale Blue (#D0FEFE). oklch(95.4% 0.045 206.8), rgb(206, 249, 255).
Aa
Black text reads best on this color (18.61:1).
About this color
#CEF9FF is a very light, muted teal or cyan. In OKLCH its lightness is 95%, its chroma 0.045 and its hue 207°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Blue (#D0FEFE), ΔE 0.014 away. Black text reads best on it, at 18.61:1.
| Hue family | Teals and cyans |
| Lightness | very light (95%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Pale Blue (#D0FEFE) |
| Black text | 18.61:1 |
| White text | 1.12:1 |
Values
| HEX | #CEF9FF |
| RGB | rgb(206, 249, 255) |
| HSL | hsl(187, 100%, 90%) |
| OKLCH | oklch(95.4% 0.045 206.8) |
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 #CEF9FF | 1.12:1 | Fails | Lc 0.0 | Not readable |
| Black text on #CEF9FF | 18.61:1 | AAA | Lc 97.8 | Preferred for body text |
| #CEF9FF text on white | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #CEF9FF text on black | 18.61:1 | AAA | Lc -98.8 | 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 50.
-
Step 50
50 (this color)
#CEF9FF
oklch(95.4% 0.045 206.8)
-
Step 100
100
#DEEDEF
oklch(93.6% 0.016 206.4)
-
Step 200
200
#C2E0E4
oklch(88.6% 0.032 206.4)
-
Step 300
300
#95CCD3
oklch(81% 0.058 205.9)
-
Step 400
400
#50B1BD
oklch(70.7% 0.092 206.3)
-
Step 500
500
#009BAA
oklch(63% 0.108 206.9)
-
Step 600
600
#00838F
oklch(55.7% 0.095 206.1)
-
Step 700
700
#006E79
oklch(49.2% 0.084 206.9)
-
Step 800
800
#005A63
oklch(42.7% 0.073 206.6)
-
Step 900
900
#004B53
oklch(37.7% 0.065 207)
-
Step 950
950
#002D32
oklch(27.1% 0.046 206.3)
#CEF9FF 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) | #F2F5FF | 0.044 |
| Deuteranopia (no green cones) | #E9EEFF | 0.041 |
| Tritanopia (no blue cones) | #BFFDFB | 0.021 |
| Achromatopsia (no color) | #F1F1F1 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CEF9FF
#CEF9FF
oklch(95.4% 0.045 206.8)
- #FFEAE8
#FFEAE8
oklch(95.3% 0.023 24.1)
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 #CEF9FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Blue #D0FEFE ΔE 0.014
- Really Light Blue #D4FFFF ΔE 0.018
- Very Light Blue #D5FFFF ΔE 0.019
- Light Light Blue #CAFFFB ΔE 0.019
- Very Pale Blue #D6FFFE ΔE 0.020
- Ice Blue #D7FFFE ΔE 0.020
- Pale Sky Blue #BDF6FE ΔE 0.022
- Ice #D6FFFA ΔE 0.022
Use #CEF9FF 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.