#C9F9E8
Closest named color: Duck Egg Blue (#C3FBF4). oklch(94.4% 0.054 171.5), rgb(201, 249, 232).
Aa
Black text reads best on this color (18.19:1).
About this color
#C9F9E8 is a very light, muted teal or cyan. In OKLCH its lightness is 94%, its chroma 0.054 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Duck Egg Blue (#C3FBF4), ΔE 0.016 away. Black text reads best on it, at 18.19:1.
| Hue family | Teals and cyans |
| Lightness | very light (94%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Duck Egg Blue (#C3FBF4) |
| Black text | 18.19:1 |
| White text | 1.15:1 |
Values
| HEX | #C9F9E8 |
| RGB | rgb(201, 249, 232) |
| HSL | hsl(159, 80%, 88%) |
| OKLCH | oklch(94.4% 0.054 171.5) |
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 #C9F9E8 | 1.15:1 | Fails | Lc -8.5 | Not readable |
| Black text on #C9F9E8 | 18.19:1 | AAA | Lc 96.3 | Preferred for body text |
| #C9F9E8 text on white | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #C9F9E8 text on black | 18.19:1 | AAA | Lc -97.2 | 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
#F0F8F5
oklch(97.2% 0.009 171.8)
-
Step 100
100 (this color)
#C9F9E8
oklch(94.4% 0.054 171.5)
-
Step 200
200
#C1E2D6
oklch(88.5% 0.038 171.4)
-
Step 300
300
#92D0BB
oklch(80.9% 0.07 171.4)
-
Step 400
400
#48B798
oklch(70.7% 0.111 171.5)
-
Step 500
500
#00A180
oklch(63.1% 0.123 171.4)
-
Step 600
600
#00876B
oklch(55.5% 0.108 171.4)
-
Step 700
700
#00725A
oklch(49.2% 0.096 171.5)
-
Step 800
800
#005D49
oklch(42.6% 0.083 171.6)
-
Step 900
900
#004E3D
oklch(37.8% 0.073 171.8)
-
Step 950
950
#002F23
oklch(27.2% 0.053 170.5)
#C9F9E8 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) | #F6F2E7 | 0.057 |
| Deuteranopia (no green cones) | #EDECE9 | 0.054 |
| Tritanopia (no blue cones) | #BEFAF4 | 0.018 |
| Achromatopsia (no color) | #EFEFEF | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9F9E8
#C9F9E8
oklch(94.4% 0.054 171.5)
- #FFE4EF
#FFE4EF
oklch(94.4% 0.033 351.2)
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 #C9F9E8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Duck Egg Blue #C3FBF4 ΔE 0.016
- Eggshell Blue #C4FFF7 ΔE 0.021
- Pale Aqua #B8FFEB ΔE 0.022
- Light Light Blue #CAFFFB ΔE 0.026
- Pale Cyan #B7FFFA ΔE 0.028
- Pale Blue #D0FEFE ΔE 0.031
- Ice #D6FFFA ΔE 0.031
- Really Light Blue #D4FFFF ΔE 0.035
Use #C9F9E8 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.