#CBF4E9
Closest named color: Duck Egg Blue (#C3FBF4). oklch(93.5% 0.045 177.2), rgb(203, 244, 233).
Aa
Black text reads best on this color (17.65:1).
About this color
#CBF4E9 is a very light, muted teal or cyan. In OKLCH its lightness is 94%, its chroma 0.045 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Duck Egg Blue (#C3FBF4), ΔE 0.020 away. Black text reads best on it, at 17.65:1.
| Hue family | Teals and cyans |
| Lightness | very light (94%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Duck Egg Blue (#C3FBF4) |
| Black text | 17.65:1 |
| White text | 1.18:1 |
Values
| HEX | #CBF4E9 |
| RGB | rgb(203, 244, 233) |
| HSL | hsl(164, 65%, 88%) |
| OKLCH | oklch(93.5% 0.045 177.2) |
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 #CBF4E9 | 1.18:1 | Fails | Lc -10.7 | Not readable |
| Black text on #CBF4E9 | 17.65:1 | AAA | Lc 94.4 | Preferred for body text |
| #CBF4E9 text on white | 1.18:1 | Fails | Lc 9.2 | Not readable |
| #CBF4E9 text on black | 17.65:1 | AAA | Lc -95.0 | 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
#F0F7F5
oklch(97% 0.008 177.3)
-
Step 100
100 (this color)
#CBF4E9
oklch(93.5% 0.045 177.2)
-
Step 200
200
#C4E0D9
oklch(88.4% 0.031 178.8)
-
Step 300
300
#99CDC0
oklch(80.8% 0.057 177.7)
-
Step 400
400
#59B4A0
oklch(70.8% 0.093 177.2)
-
Step 500
500
#00A088
oklch(63.1% 0.117 177)
-
Step 600
600
#008772
oklch(55.7% 0.104 176.6)
-
Step 700
700
#007160
oklch(49.1% 0.091 177.4)
-
Step 800
800
#005D4E
oklch(42.8% 0.079 176.7)
-
Step 900
900
#004D41
oklch(37.6% 0.069 177.7)
-
Step 950
950
#022E26
oklch(27% 0.048 177.1)
#CBF4E9 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) | #F1EFE9 | 0.048 |
| Deuteranopia (no green cones) | #E9E9EA | 0.045 |
| Tritanopia (no blue cones) | #C1F5F1 | 0.014 |
| Achromatopsia (no color) | #EBEBEB | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CBF4E9
#CBF4E9
oklch(93.5% 0.045 177.2)
- #FFE0EA
#FFE0EA
oklch(93.5% 0.036 356.3)
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 #CBF4E9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Duck Egg Blue #C3FBF4 ΔE 0.020
- Eggshell Blue #C4FFF7 ΔE 0.029
- Pale Sky Blue #BDF6FE ΔE 0.030
- Light Light Blue #CAFFFB ΔE 0.031
- Pale Aqua #B8FFEB ΔE 0.033
- Pale Blue #D0FEFE ΔE 0.034
- Pale Cyan #B7FFFA ΔE 0.034
- Ice #D6FFFA ΔE 0.036
Use #CBF4E9 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.