#C9EFEA
Closest named color: Pale Sky Blue (#BDF6FE). oklch(92.4% 0.04 186.8), rgb(201, 239, 234).
Aa
Black text reads best on this color (17.01:1).
About this color
#C9EFEA is a very light, muted teal or cyan. In OKLCH its lightness is 92%, its chroma 0.040 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Sky Blue (#BDF6FE), ΔE 0.028 away. Black text reads best on it, at 17.01:1.
| Hue family | Teals and cyans |
| Lightness | very light (92%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Pale Sky Blue (#BDF6FE) |
| Black text | 17.01:1 |
| White text | 1.23:1 |
Values
| HEX | #C9EFEA |
| RGB | rgb(201, 239, 234) |
| HSL | hsl(172, 54%, 86%) |
| OKLCH | oklch(92.4% 0.04 186.8) |
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 #C9EFEA | 1.23:1 | Fails | Lc -13.4 | Not readable |
| Black text on #C9EFEA | 17.01:1 | AAA | Lc 92.0 | Preferred for body text |
| #C9EFEA text on white | 1.23:1 | Fails | Lc 11.6 | Not readable |
| #C9EFEA text on black | 17.01:1 | AAA | Lc -92.5 | 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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100 (this color)
#C9EFEA
oklch(92.4% 0.04 186.8)
-
Step 200
200
#C5E0DC
oklch(88.6% 0.029 185.9)
-
Step 300
300
#9BCCC6
oklch(80.9% 0.052 186.9)
-
Step 400
400
#5FB1A9
oklch(70.6% 0.081 187.3)
-
Step 500
500
#1B9E94
oklch(63.2% 0.105 186.7)
-
Step 600
600
#00857D
oklch(55.5% 0.097 187.4)
-
Step 700
700
#007069
oklch(49.1% 0.086 187.3)
-
Step 800
800
#005C56
oklch(42.8% 0.075 187.1)
-
Step 900
900
#004D47
oklch(37.8% 0.066 185.9)
-
Step 950
950
#052D2A
oklch(27% 0.043 187.5)
#C9EFEA 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) | #EBEBEA | 0.043 |
| Deuteranopia (no green cones) | #E3E5EB | 0.040 |
| Tritanopia (no blue cones) | #BFF1ED | 0.012 |
| Achromatopsia (no color) | #E7E7E7 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9EFEA
#C9EFEA
oklch(92.4% 0.04 186.8)
- #FFDBE1
#FFDBE1
oklch(92.3% 0.041 6.6)
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 #C9EFEA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Sky Blue #BDF6FE ΔE 0.028
- Pale Turquoise #AFEEEE ΔE 0.030
- Duck Egg Blue #C3FBF4 ΔE 0.030
- Diamond #B9F2FF ΔE 0.030
- Pale Silver #D8E2DC ΔE 0.035
- Eggshell Blue #C4FFF7 ΔE 0.040
- Light Light Blue #CAFFFB ΔE 0.041
- Platinum #E0E1DD ΔE 0.041
Use #C9EFEA 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.