#C5F8FA
Closest named color: Pale Sky Blue (#BDF6FE). oklch(94.5% 0.052 199.3), rgb(197, 248, 250).
Aa
Black text reads best on this color (18.18:1).
About this color
#C5F8FA is a very light, muted teal or cyan. In OKLCH its lightness is 94%, its chroma 0.052 and its hue 199°. 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 18.18:1.
| Hue family | Teals and cyans |
| Lightness | very light (94%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Pale Sky Blue (#BDF6FE) |
| Black text | 18.18:1 |
| White text | 1.15:1 |
Values
| HEX | #C5F8FA |
| RGB | rgb(197, 248, 250) |
| HSL | hsl(182, 84%, 88%) |
| OKLCH | oklch(94.5% 0.052 199.3) |
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 #C5F8FA | 1.15:1 | Fails | Lc -8.6 | Not readable |
| Black text on #C5F8FA | 18.18:1 | AAA | Lc 96.3 | Preferred for body text |
| #C5F8FA text on white | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #C5F8FA text on black | 18.18:1 | AAA | Lc -97.1 | 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
#EFF7F8
oklch(97% 0.009 205.9)
-
Step 100
100 (this color)
#C5F8FA
oklch(94.5% 0.052 199.3)
-
Step 200
200
#BEE1E2
oklch(88.5% 0.037 198.6)
-
Step 300
300
#8CCED1
oklch(80.8% 0.067 199.5)
-
Step 400
400
#37B4BA
oklch(70.6% 0.106 199.8)
-
Step 500
500
#009DA2
oklch(63.2% 0.107 198.8)
-
Step 600
600
#008488
oklch(55.7% 0.095 198.5)
-
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)
#C5F8FA 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) | #F1F3FA | 0.054 |
| Deuteranopia (no green cones) | #E6EBFA | 0.050 |
| Tritanopia (no blue cones) | #B4FCF8 | 0.021 |
| Achromatopsia (no color) | #EFEFEF | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C5F8FA
#C5F8FA
oklch(94.5% 0.052 199.3)
- #FFE6E5
#FFE6E5
oklch(94.5% 0.028 20.4)
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 #C5F8FA, 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
- Duck Egg Blue #C3FBF4 ΔE 0.013
- Light Light Blue #CAFFFB ΔE 0.020
- Eggshell Blue #C4FFF7 ΔE 0.020
- Pale Blue #D0FEFE ΔE 0.021
- Pale Cyan #B7FFFA ΔE 0.023
- Diamond #B9F2FF ΔE 0.024
- Really Light Blue #D4FFFF ΔE 0.027
Use #C5F8FA 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.