#C4EEFF
Closest named color: Diamond (#B9F2FF). oklch(92.5% 0.049 224.4), rgb(196, 238, 255).
Aa
Black text reads best on this color (17.02:1).
About this color
#C4EEFF is a very light, muted teal or cyan. In OKLCH its lightness is 92%, its chroma 0.049 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.015 away. Black text reads best on it, at 17.02:1.
| Hue family | Teals and cyans |
| Lightness | very light (92%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 17.02:1 |
| White text | 1.23:1 |
Values
| HEX | #C4EEFF |
| RGB | rgb(196, 238, 255) |
| HSL | hsl(197, 100%, 88%) |
| OKLCH | oklch(92.5% 0.049 224.4) |
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 #C4EEFF | 1.23:1 | Fails | Lc -13.4 | Not readable |
| Black text on #C4EEFF | 17.02:1 | AAA | Lc 92.0 | Preferred for body text |
| #C4EEFF text on white | 1.23:1 | Fails | Lc 11.5 | Not readable |
| #C4EEFF text on black | 17.02:1 | AAA | Lc -92.5 | 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
#F0F7FA
oklch(97.2% 0.008 225.1)
-
Step 100
100 (this color)
#C4EEFF
oklch(92.5% 0.049 224.4)
-
Step 200
200
#C1DFEB
oklch(88.6% 0.036 223.9)
-
Step 300
300
#94CADF
oklch(80.9% 0.063 224)
-
Step 400
400
#4FAED0
oklch(70.7% 0.102 224.6)
-
Step 500
500
#0098BF
oklch(63.2% 0.119 224.4)
-
Step 600
600
#007FA1
oklch(55.5% 0.105 225)
-
Step 700
700
#006B88
oklch(49.1% 0.093 224.9)
-
Step 800
800
#005870
oklch(42.8% 0.081 224.4)
-
Step 900
900
#00495E
oklch(37.7% 0.071 225)
-
Step 950
950
#002B39
oklch(26.9% 0.051 225.5)
#C4EEFF 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) | #E4EBFF | 0.039 |
| Deuteranopia (no green cones) | #DBE4FF | 0.036 |
| Tritanopia (no blue cones) | #B3F3F3 | 0.031 |
| Achromatopsia (no color) | #E7E7E7 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C4EEFF
#C4EEFF
oklch(92.5% 0.049 224.4)
- #FFDED0
#FFDED0
oklch(92.4% 0.041 44.4)
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 #C4EEFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.015
- Pale Sky Blue #BDF6FE ΔE 0.022
- Pale Turquoise #AFEEEE ΔE 0.036
- Duck Egg Blue #C3FBF4 ΔE 0.042
- Lavender #E6E6FA ΔE 0.044
- Pale Blue #D0FEFE ΔE 0.047
- Robin's Egg Blue #98EFF9 ΔE 0.048
- Light Light Blue #CAFFFB ΔE 0.048
Use #C4EEFF 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.