#C5F6F8
Closest named color: Pale Sky Blue (#BDF6FE). oklch(94% 0.05 199.4), rgb(197, 246, 248).
Aa
Black text reads best on this color (17.91:1).
About this color
#C5F6F8 is a very light, muted teal or cyan. In OKLCH its lightness is 94%, its chroma 0.050 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Sky Blue (#BDF6FE), ΔE 0.011 away. Black text reads best on it, at 17.91:1.
| Hue family | Teals and cyans |
| Lightness | very light (94%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Pale Sky Blue (#BDF6FE) |
| Black text | 17.91:1 |
| White text | 1.17:1 |
Values
| HEX | #C5F6F8 |
| RGB | rgb(197, 246, 248) |
| HSL | hsl(182, 78%, 87%) |
| OKLCH | oklch(94% 0.05 199.4) |
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 #C5F6F8 | 1.17:1 | Fails | Lc -9.7 | Not readable |
| Black text on #C5F6F8 | 17.91:1 | AAA | Lc 95.3 | Preferred for body text |
| #C5F6F8 text on white | 1.17:1 | Fails | Lc 8.2 | Not readable |
| #C5F6F8 text on black | 17.91:1 | AAA | Lc -96.1 | 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)
#C5F6F8
oklch(94% 0.05 199.4)
-
Step 200
200
#BFE1E2
oklch(88.6% 0.036 198.7)
-
Step 300
300
#8FCED0
oklch(81% 0.064 198.5)
-
Step 400
400
#3EB4B9
oklch(70.7% 0.103 199.1)
-
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)
#C5F6F8 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) | #EFF1F8 | 0.052 |
| Deuteranopia (no green cones) | #E5EAF8 | 0.047 |
| Tritanopia (no blue cones) | #B5FAF6 | 0.020 |
| Achromatopsia (no color) | #EDEDED | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C5F6F8
#C5F6F8
oklch(94% 0.05 199.4)
- #FFE4E3
#FFE4E3
oklch(94.1% 0.03 20.2)
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 #C5F6F8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Sky Blue #BDF6FE ΔE 0.011
- Duck Egg Blue #C3FBF4 ΔE 0.016
- Diamond #B9F2FF ΔE 0.021
- Eggshell Blue #C4FFF7 ΔE 0.024
- Light Light Blue #CAFFFB ΔE 0.024
- Pale Blue #D0FEFE ΔE 0.026
- Pale Cyan #B7FFFA ΔE 0.026
- Really Light Blue #D4FFFF ΔE 0.031
Use #C5F6F8 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.