#CFF9EE
Closest named color: Duck Egg Blue (#C3FBF4). oklch(95% 0.046 177.6), rgb(207, 249, 238).
Aa
Black text reads best on this color (18.43:1).
About this color
#CFF9EE is a very light, muted teal or cyan. In OKLCH its lightness is 95%, its chroma 0.046 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Duck Egg Blue (#C3FBF4), ΔE 0.014 away. Black text reads best on it, at 18.43:1.
| Hue family | Teals and cyans |
| Lightness | very light (95%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Duck Egg Blue (#C3FBF4) |
| Black text | 18.43:1 |
| White text | 1.13:1 |
Values
| HEX | #CFF9EE |
| RGB | rgb(207, 249, 238) |
| HSL | hsl(164, 78%, 89%) |
| OKLCH | oklch(95% 0.046 177.6) |
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 #CFF9EE | 1.13:1 | Fails | Lc -7.5 | Not readable |
| Black text on #CFF9EE | 18.43:1 | AAA | Lc 97.2 | Preferred for body text |
| #CFF9EE text on white | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #CFF9EE text on black | 18.43:1 | AAA | Lc -98.1 | 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
#F0F7F5
oklch(97% 0.008 177.3)
-
Step 100
100 (this color)
#CFF9EE
oklch(95% 0.046 177.6)
-
Step 200
200
#C3E1D9
oklch(88.6% 0.033 177.7)
-
Step 300
300
#98CEC0
oklch(81% 0.059 176.9)
-
Step 400
400
#57B4A0
oklch(70.7% 0.094 177.4)
-
Step 500
500
#00A089
oklch(63.1% 0.116 177.6)
-
Step 600
600
#008673
oklch(55.5% 0.102 178.1)
-
Step 700
700
#007160
oklch(49.1% 0.091 177.4)
-
Step 800
800
#005D4F
oklch(42.8% 0.079 177.8)
-
Step 900
900
#004D41
oklch(37.6% 0.069 177.7)
-
Step 950
950
#002E26
oklch(26.9% 0.05 177.5)
#CFF9EE 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) | #F5F4EE | 0.048 |
| Deuteranopia (no green cones) | #EDEEEF | 0.045 |
| Tritanopia (no blue cones) | #C5FAF6 | 0.014 |
| Achromatopsia (no color) | #F0F0F0 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CFF9EE
#CFF9EE
oklch(95% 0.046 177.6)
- #FFE7EE
#FFE7EE
oklch(94.9% 0.028 358)
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 #CFF9EE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Duck Egg Blue #C3FBF4 ΔE 0.014
- Eggshell Blue #C4FFF7 ΔE 0.018
- Light Light Blue #CAFFFB ΔE 0.019
- Pale Blue #D0FEFE ΔE 0.022
- Ice #D6FFFA ΔE 0.022
- Really Light Blue #D4FFFF ΔE 0.025
- Very Pale Blue #D6FFFE ΔE 0.025
- Very Light Blue #D5FFFF ΔE 0.026
Use #CFF9EE 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.