#C4E9EF
Closest named color: Pale Turquoise (#AFEEEE). oklch(90.9% 0.039 208.4), rgb(196, 233, 239).
Aa
Black text reads best on this color (16.24:1).
About this color
#C4E9EF is a very light, muted teal or cyan. In OKLCH its lightness is 91%, its chroma 0.039 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Turquoise (#AFEEEE), ΔE 0.026 away. Black text reads best on it, at 16.24:1.
| Hue family | Teals and cyans |
| Lightness | very light (91%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Pale Turquoise (#AFEEEE) |
| Black text | 16.24:1 |
| White text | 1.29:1 |
Values
| HEX | #C4E9EF |
| RGB | rgb(196, 233, 239) |
| HSL | hsl(188, 57%, 85%) |
| OKLCH | oklch(90.9% 0.039 208.4) |
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 #C4E9EF | 1.29:1 | Fails | Lc -16.7 | Dividers and decoration only |
| Black text on #C4E9EF | 16.24:1 | AAA | Lc 89.1 | Fine for body text |
| #C4E9EF text on white | 1.29:1 | Fails | Lc 14.5 | Not readable |
| #C4E9EF text on black | 16.24:1 | AAA | Lc -89.3 | Fine 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 200.
-
Step 50
50
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#DFEDEF
oklch(93.6% 0.015 207.1)
-
Step 200
200 (this color)
#C4E9EF
oklch(90.9% 0.039 208.4)
-
Step 300
300
#9BCAD2
oklch(80.8% 0.05 209.1)
-
Step 400
400
#5EAFBB
oklch(70.7% 0.081 208)
-
Step 500
500
#1B9AAA
oklch(63% 0.103 208.4)
-
Step 600
600
#008291
oklch(55.5% 0.096 208.9)
-
Step 700
700
#006E7A
oklch(49.2% 0.085 207.9)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#004B54
oklch(37.8% 0.065 208.5)
-
Step 950
950
#052C31
oklch(27% 0.042 207.6)
#C4E9EF 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) | #E3E6EF | 0.039 |
| Deuteranopia (no green cones) | #DBE0EF | 0.035 |
| Tritanopia (no blue cones) | #B7ECEB | 0.019 |
| Achromatopsia (no color) | #E2E2E2 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C4E9EF
#C4E9EF
oklch(90.9% 0.039 208.4)
- #FAD8D3
#FAD8D3
oklch(90.9% 0.039 27.8)
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 #C4E9EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Turquoise #AFEEEE ΔE 0.026
- Diamond #B9F2FF ΔE 0.027
- Pale Silver #D8E2DC ΔE 0.033
- Pale Sky Blue #BDF6FE ΔE 0.033
- Powder Blue #B0E0E6 ΔE 0.036
- Platinum #E0E1DD ΔE 0.040
- Gainsboro #DCDCDC ΔE 0.042
- Duck Egg Blue #C3FBF4 ΔE 0.046
Use #C4E9EF 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.