#C4F4E3
Closest named color: Duck Egg Blue (#C3FBF4). oklch(92.9% 0.054 171.5), rgb(196, 244, 227).
Aa
Black text reads best on this color (17.39:1).
About this color
#C4F4E3 is a very light, muted teal or cyan. In OKLCH its lightness is 93%, its chroma 0.054 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Duck Egg Blue (#C3FBF4), ΔE 0.024 away. Black text reads best on it, at 17.39:1.
| Hue family | Teals and cyans |
| Lightness | very light (93%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Duck Egg Blue (#C3FBF4) |
| Black text | 17.39:1 |
| White text | 1.20:1 |
Values
| HEX | #C4F4E3 |
| RGB | rgb(196, 244, 227) |
| HSL | hsl(159, 69%, 86%) |
| OKLCH | oklch(92.9% 0.054 171.5) |
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 #C4F4E3 | 1.20:1 | Fails | Lc -11.8 | Not readable |
| Black text on #C4F4E3 | 17.39:1 | AAA | Lc 93.4 | Preferred for body text |
| #C4F4E3 text on white | 1.20:1 | Fails | Lc 10.1 | Not readable |
| #C4F4E3 text on black | 17.39:1 | AAA | Lc -94.0 | 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
#F0F8F5
oklch(97.2% 0.009 171.8)
-
Step 100
100 (this color)
#C4F4E3
oklch(92.9% 0.054 171.5)
-
Step 200
200
#C1E2D6
oklch(88.5% 0.038 171.4)
-
Step 300
300
#92D0BB
oklch(80.9% 0.07 171.4)
-
Step 400
400
#47B798
oklch(70.7% 0.112 171.6)
-
Step 500
500
#00A180
oklch(63.1% 0.123 171.4)
-
Step 600
600
#00876B
oklch(55.5% 0.108 171.4)
-
Step 700
700
#00725A
oklch(49.2% 0.096 171.5)
-
Step 800
800
#005D49
oklch(42.6% 0.083 171.6)
-
Step 900
900
#004E3D
oklch(37.8% 0.073 171.8)
-
Step 950
950
#002F23
oklch(27.2% 0.053 170.5)
#C4F4E3 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) | #F1EDE2 | 0.057 |
| Deuteranopia (no green cones) | #E8E7E4 | 0.054 |
| Tritanopia (no blue cones) | #B9F5EF | 0.018 |
| Achromatopsia (no color) | #EAEAEA | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C4F4E3
#C4F4E3
oklch(92.9% 0.054 171.5)
- #FFDDEB
#FFDDEB
oklch(93% 0.042 351.2)
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 #C4F4E3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Duck Egg Blue #C3FBF4 ΔE 0.024
- Pale Aqua #B8FFEB ΔE 0.028
- Eggshell Blue #C4FFF7 ΔE 0.033
- Pale Turquoise #AFEEEE ΔE 0.035
- Pale Cyan #B7FFFA ΔE 0.035
- Pale Sky Blue #BDF6FE ΔE 0.035
- Light Light Blue #CAFFFB ΔE 0.038
- Diamond #B9F2FF ΔE 0.041
Use #C4F4E3 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.