#C4EFEA
Closest named color: Pale Turquoise (#AFEEEE). oklch(92% 0.045 187.7), rgb(196, 239, 234).
Aa
Black text reads best on this color (16.88:1).
About this color
#C4EFEA is a very light, muted teal or cyan. In OKLCH its lightness is 92%, its chroma 0.045 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Turquoise (#AFEEEE), ΔE 0.024 away. Black text reads best on it, at 16.88:1.
| Hue family | Teals and cyans |
| Lightness | very light (92%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Pale Turquoise (#AFEEEE) |
| Black text | 16.88:1 |
| White text | 1.24:1 |
Values
| HEX | #C4EFEA |
| RGB | rgb(196, 239, 234) |
| HSL | hsl(173, 57%, 85%) |
| OKLCH | oklch(92% 0.045 187.7) |
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 #C4EFEA | 1.24:1 | Fails | Lc -14.0 | Not readable |
| Black text on #C4EFEA | 16.88:1 | AAA | Lc 91.5 | Preferred for body text |
| #C4EFEA text on white | 1.24:1 | Fails | Lc 12.1 | Not readable |
| #C4EFEA text on black | 16.88:1 | AAA | Lc -91.9 | 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
#F0F7F6
oklch(97.1% 0.008 186.9)
-
Step 100
100 (this color)
#C4EFEA
oklch(92% 0.045 187.7)
-
Step 200
200
#C2E0DD
oklch(88.4% 0.032 189.2)
-
Step 300
300
#96CDC7
oklch(80.9% 0.057 187.7)
-
Step 400
400
#52B3AB
oklch(70.6% 0.092 188)
-
Step 500
500
#009E95
oklch(63% 0.11 187.7)
-
Step 600
600
#00857E
oklch(55.6% 0.097 188.3)
-
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
#004D48
oklch(37.8% 0.066 187.3)
-
Step 950
950
#002E2B
oklch(27.1% 0.047 188)
#C4EFEA 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) | #EAEAEA | 0.048 |
| Deuteranopia (no green cones) | #E2E4EB | 0.045 |
| Tritanopia (no blue cones) | #B8F1ED | 0.014 |
| Achromatopsia (no color) | #E6E6E6 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C4EFEA
#C4EFEA
oklch(92% 0.045 187.7)
- #FFDADF
#FFDADF
oklch(92.1% 0.042 8.7)
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 #C4EFEA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Turquoise #AFEEEE ΔE 0.024
- Pale Sky Blue #BDF6FE ΔE 0.027
- Diamond #B9F2FF ΔE 0.028
- Duck Egg Blue #C3FBF4 ΔE 0.030
- Pale Silver #D8E2DC ΔE 0.038
- Eggshell Blue #C4FFF7 ΔE 0.040
- Pale Cyan #B7FFFA ΔE 0.041
- Pale Aqua #B8FFEB ΔE 0.043
Use #C4EFEA 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.