#C4F3F5
Closest named color: Pale Sky Blue (#BDF6FE). oklch(93.2% 0.048 199.6), rgb(196, 243, 245).
Aa
Black text reads best on this color (17.48:1).
About this color
#C4F3F5 is a very light, muted teal or cyan. In OKLCH its lightness is 93%, its chroma 0.048 and its hue 200°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Sky Blue (#BDF6FE), ΔE 0.013 away. Black text reads best on it, at 17.48:1.
| Hue family | Teals and cyans |
| Lightness | very light (93%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Pale Sky Blue (#BDF6FE) |
| Black text | 17.48:1 |
| White text | 1.20:1 |
Values
| HEX | #C4F3F5 |
| RGB | rgb(196, 243, 245) |
| HSL | hsl(182, 71%, 86%) |
| OKLCH | oklch(93.2% 0.048 199.6) |
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 #C4F3F5 | 1.20:1 | Fails | Lc -11.4 | Not readable |
| Black text on #C4F3F5 | 17.48:1 | AAA | Lc 93.7 | Preferred for body text |
| #C4F3F5 text on white | 1.20:1 | Fails | Lc 9.8 | Not readable |
| #C4F3F5 text on black | 17.48:1 | AAA | Lc -94.4 | 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
#EFF7F7
oklch(97% 0.008 197)
-
Step 100
100 (this color)
#C4F3F5
oklch(93.2% 0.048 199.6)
-
Step 200
200
#C0E0E2
oklch(88.4% 0.034 201.2)
-
Step 300
300
#91CDD0
oklch(80.9% 0.061 199.9)
-
Step 400
400
#45B3B8
oklch(70.7% 0.099 199.4)
-
Step 500
500
#009DA2
oklch(63.2% 0.107 198.8)
-
Step 600
600
#008489
oklch(55.7% 0.095 199.5)
-
Step 700
700
#006F73
oklch(49.2% 0.084 199.2)
-
Step 800
800
#005B5E
oklch(42.8% 0.073 198.7)
-
Step 900
900
#004C4F
oklch(37.8% 0.064 199.4)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#C4F3F5 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) | #ECEEF5 | 0.050 |
| Deuteranopia (no green cones) | #E3E7F5 | 0.047 |
| Tritanopia (no blue cones) | #B5F6F3 | 0.018 |
| Achromatopsia (no color) | #EAEAEA | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C4F3F5
#C4F3F5
oklch(93.2% 0.048 199.6)
- #FFE0DF
#FFE0DF
oklch(93.2% 0.034 20)
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 #C4F3F5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Sky Blue #BDF6FE ΔE 0.013
- Diamond #B9F2FF ΔE 0.018
- Duck Egg Blue #C3FBF4 ΔE 0.022
- Pale Turquoise #AFEEEE ΔE 0.030
- Eggshell Blue #C4FFF7 ΔE 0.031
- Pale Cyan #B7FFFA ΔE 0.031
- Light Light Blue #CAFFFB ΔE 0.032
- Pale Blue #D0FEFE ΔE 0.033
Use #C4F3F5 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.