#C4F5FF
Closest named color: Pale Sky Blue (#BDF6FE). oklch(93.9% 0.052 211.5), rgb(196, 245, 255).
Aa
Black text reads best on this color (17.85:1).
About this color
#C4F5FF is a very light, muted teal or cyan. In OKLCH its lightness is 94%, its chroma 0.052 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Sky Blue (#BDF6FE), ΔE 0.008 away. Black text reads best on it, at 17.85:1.
| Hue family | Teals and cyans |
| Lightness | very light (94%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Pale Sky Blue (#BDF6FE) |
| Black text | 17.85:1 |
| White text | 1.17:1 |
Values
| HEX | #C4F5FF |
| RGB | rgb(196, 245, 255) |
| HSL | hsl(190, 100%, 88%) |
| OKLCH | oklch(93.9% 0.052 211.5) |
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 #C4F5FF | 1.17:1 | Fails | Lc -9.9 | Not readable |
| Black text on #C4F5FF | 17.85:1 | AAA | Lc 95.1 | Preferred for body text |
| #C4F5FF text on white | 1.17:1 | Fails | Lc 8.4 | Not readable |
| #C4F5FF text on black | 17.85:1 | AAA | Lc -95.8 | 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
#EFF7F9
oklch(97.1% 0.009 214.3)
-
Step 100
100 (this color)
#C4F5FF
oklch(93.9% 0.052 211.5)
-
Step 200
200
#BEE0E7
oklch(88.4% 0.037 211.5)
-
Step 300
300
#8ECDD9
oklch(81% 0.066 210.7)
-
Step 400
400
#3BB2C7
oklch(70.7% 0.107 211.8)
-
Step 500
500
#009AAF
oklch(63% 0.11 211.6)
-
Step 600
600
#008294
oklch(55.7% 0.097 211.6)
-
Step 700
700
#006D7C
oklch(49% 0.085 211.2)
-
Step 800
800
#005966
oklch(42.6% 0.074 211.8)
-
Step 900
900
#004A55
oklch(37.5% 0.065 211.6)
-
Step 950
950
#002C34
oklch(26.9% 0.047 213.2)
#C4F5FF 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) | #ECF1FF | 0.049 |
| Deuteranopia (no green cones) | #E2E9FF | 0.045 |
| Tritanopia (no blue cones) | #B2FAF8 | 0.027 |
| Achromatopsia (no color) | #ECECEC | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C4F5FF
#C4F5FF
oklch(93.9% 0.052 211.5)
- #FFE4DE
#FFE4DE
oklch(93.9% 0.031 32.6)
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 #C4F5FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Sky Blue #BDF6FE ΔE 0.008
- Diamond #B9F2FF ΔE 0.015
- Duck Egg Blue #C3FBF4 ΔE 0.025
- Pale Blue #D0FEFE ΔE 0.029
- Light Light Blue #CAFFFB ΔE 0.030
- Pale Cyan #B7FFFA ΔE 0.032
- Eggshell Blue #C4FFF7 ΔE 0.032
- Really Light Blue #D4FFFF ΔE 0.034
Use #C4F5FF 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.