#C9FAEC
Closest named color: Duck Egg Blue (#C3FBF4). oklch(94.7% 0.053 175.8), rgb(201, 250, 236).
Aa
Black text reads best on this color (18.36:1).
About this color
#C9FAEC is a very light, muted teal or cyan. In OKLCH its lightness is 95%, its chroma 0.053 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Duck Egg Blue (#C3FBF4), ΔE 0.011 away. Black text reads best on it, at 18.36:1.
| Hue family | Teals and cyans |
| Lightness | very light (95%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Duck Egg Blue (#C3FBF4) |
| Black text | 18.36:1 |
| White text | 1.14:1 |
Values
| HEX | #C9FAEC |
| RGB | rgb(201, 250, 236) |
| HSL | hsl(163, 83%, 88%) |
| OKLCH | oklch(94.7% 0.053 175.8) |
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 #C9FAEC | 1.14:1 | Fails | Lc -7.8 | Not readable |
| Black text on #C9FAEC | 18.36:1 | AAA | Lc 96.9 | Preferred for body text |
| #C9FAEC text on white | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #C9FAEC text on black | 18.36:1 | AAA | Lc -97.9 | 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
#EFF8F5
oklch(97.2% 0.01 174.3)
-
Step 100
100 (this color)
#C9FAEC
oklch(94.7% 0.053 175.8)
-
Step 200
200
#C0E2D8
oklch(88.5% 0.038 175.7)
-
Step 300
300
#91D0BF
oklch(81% 0.069 175.8)
-
Step 400
400
#44B79E
oklch(70.8% 0.11 175.9)
-
Step 500
500
#00A086
oklch(63% 0.118 175.6)
-
Step 600
600
#008771
oklch(55.7% 0.104 175.8)
-
Step 700
700
#00715E
oklch(49% 0.092 175.6)
-
Step 800
800
#005D4D
oklch(42.7% 0.08 175.6)
-
Step 900
900
#004D40
oklch(37.6% 0.07 176.4)
-
Step 950
950
#002E25
oklch(26.9% 0.05 175.6)
#C9FAEC 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) | #F6F4EB | 0.056 |
| Deuteranopia (no green cones) | #EDEDED | 0.053 |
| Tritanopia (no blue cones) | #BDFBF6 | 0.017 |
| Achromatopsia (no color) | #F0F0F0 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9FAEC
#C9FAEC
oklch(94.7% 0.053 175.8)
- #FFE6EE
#FFE6EE
oklch(94.7% 0.029 356.3)
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 #C9FAEC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Duck Egg Blue #C3FBF4 ΔE 0.011
- Eggshell Blue #C4FFF7 ΔE 0.016
- Light Light Blue #CAFFFB ΔE 0.021
- Pale Aqua #B8FFEB ΔE 0.022
- Pale Cyan #B7FFFA ΔE 0.024
- Pale Blue #D0FEFE ΔE 0.026
- Ice #D6FFFA ΔE 0.027
- Really Light Blue #D4FFFF ΔE 0.030
Use #C9FAEC 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.