#C4FEF3
Closest named color: Eggshell Blue (#C4FFF7). oklch(95.5% 0.06 182.1), rgb(196, 254, 243).
Aa
Black text reads best on this color (18.81:1).
About this color
#C4FEF3 is a very light, muted teal or cyan. In OKLCH its lightness is 95%, its chroma 0.060 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Eggshell Blue (#C4FFF7), ΔE 0.005 away. Black text reads best on it, at 18.81:1.
| Hue family | Teals and cyans |
| Lightness | very light (95%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Eggshell Blue (#C4FFF7) |
| Black text | 18.81:1 |
| White text | 1.11:1 |
Values
| HEX | #C4FEF3 |
| RGB | rgb(196, 254, 243) |
| HSL | hsl(169, 97%, 88%) |
| OKLCH | oklch(95.5% 0.06 182.1) |
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 #C4FEF3 | 1.11:1 | Fails | Lc 0.0 | Not readable |
| Black text on #C4FEF3 | 18.81:1 | AAA | Lc 98.6 | Preferred for body text |
| #C4FEF3 text on white | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #C4FEF3 text on black | 18.81:1 | AAA | Lc -99.6 | 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 50.
-
Step 50
50 (this color)
#C4FEF3
oklch(95.5% 0.06 182.1)
-
Step 100
100
#DBEFEB
oklch(93.6% 0.022 182.5)
-
Step 200
200
#BBE3DB
oklch(88.5% 0.043 181.8)
-
Step 300
300
#86D1C4
oklch(80.8% 0.077 182.1)
-
Step 400
400
#15B9A6
oklch(70.6% 0.124 181.9)
-
Step 500
500
#009F8F
oklch(63.1% 0.113 182.5)
-
Step 600
600
#008678
oklch(55.6% 0.1 182.2)
-
Step 700
700
#007164
oklch(49.2% 0.089 181.2)
-
Step 800
800
#005C52
oklch(42.6% 0.076 182.2)
-
Step 900
900
#004D44
oklch(37.7% 0.068 181.7)
-
Step 950
950
#002E28
oklch(27% 0.049 181.5)
#C4FEF3 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) | #F9F7F3 | 0.065 |
| Deuteranopia (no green cones) | #EEEFF4 | 0.061 |
| Tritanopia (no blue cones) | #B4FFFA | 0.018 |
| Achromatopsia (no color) | #F2F2F2 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C4FEF3
#C4FEF3
oklch(95.5% 0.06 182.1)
- #FFEAEF
#FFEAEF
oklch(95.5% 0.024 1.3)
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 #C4FEF3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggshell Blue #C4FFF7 ΔE 0.005
- Duck Egg Blue #C3FBF4 ΔE 0.009
- Light Light Blue #CAFFFB ΔE 0.013
- Pale Cyan #B7FFFA ΔE 0.015
- Pale Aqua #B8FFEB ΔE 0.019
- Pale Blue #D0FEFE ΔE 0.022
- Ice #D6FFFA ΔE 0.024
- Really Light Blue #D4FFFF ΔE 0.026
Use #C4FEF3 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.