#C9EFEE
Closest named color: Pale Sky Blue (#BDF6FE). oklch(92.5% 0.039 194.5), rgb(201, 239, 238).
Aa
Black text reads best on this color (17.06:1).
About this color
#C9EFEE is a very light, muted teal or cyan. In OKLCH its lightness is 92%, its chroma 0.039 and its hue 195°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Sky Blue (#BDF6FE), ΔE 0.025 away. Black text reads best on it, at 17.06:1.
| Hue family | Teals and cyans |
| Lightness | very light (92%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Pale Sky Blue (#BDF6FE) |
| Black text | 17.06:1 |
| White text | 1.23:1 |
Values
| HEX | #C9EFEE |
| RGB | rgb(201, 239, 238) |
| HSL | hsl(178, 54%, 86%) |
| OKLCH | oklch(92.5% 0.039 194.5) |
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 #C9EFEE | 1.23:1 | Fails | Lc -13.2 | Not readable |
| Black text on #C9EFEE | 17.06:1 | AAA | Lc 92.2 | Preferred for body text |
| #C9EFEE text on white | 1.23:1 | Fails | Lc 11.4 | Not readable |
| #C9EFEE text on black | 17.06:1 | AAA | Lc -92.7 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100 (this color)
#C9EFEE
oklch(92.5% 0.039 194.5)
-
Step 200
200
#C5DFDF
oklch(88.5% 0.028 196.7)
-
Step 300
300
#9BCBCA
oklch(80.8% 0.05 194.6)
-
Step 400
400
#5EB1B0
oklch(70.8% 0.081 194.4)
-
Step 500
500
#189D9C
oklch(63.2% 0.104 194)
-
Step 600
600
#008484
oklch(55.5% 0.095 194.8)
-
Step 700
700
#006F6F
oklch(49% 0.084 194.8)
-
Step 800
800
#005B5B
oklch(42.7% 0.073 194.8)
-
Step 900
900
#004C4C
oklch(37.7% 0.064 194.8)
-
Step 950
950
#042D2D
oklch(27.1% 0.043 194.9)
#C9EFEE 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) | #EAEBEE | 0.042 |
| Deuteranopia (no green cones) | #E2E5EE | 0.039 |
| Tritanopia (no blue cones) | #BEF2EF | 0.014 |
| Achromatopsia (no color) | #E8E8E8 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9EFEE
#C9EFEE
oklch(92.5% 0.039 194.5)
- #FFDCDE
#FFDCDE
oklch(92.4% 0.039 14)
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 #C9EFEE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Sky Blue #BDF6FE ΔE 0.025
- Diamond #B9F2FF ΔE 0.026
- Pale Turquoise #AFEEEE ΔE 0.030
- Duck Egg Blue #C3FBF4 ΔE 0.030
- Pale Silver #D8E2DC ΔE 0.036
- Eggshell Blue #C4FFF7 ΔE 0.040
- Light Light Blue #CAFFFB ΔE 0.041
- Pale Blue #D0FEFE ΔE 0.041
Use #C9EFEE 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.