#57E3CB
Closest named color: Turquoise (#40E0D0). oklch(83.4% 0.125 179.7), rgb(87, 227, 203).
Aa
Black text reads best on this color (13.25:1).
About this color
#57E3CB is a light, moderately saturated teal or cyan. In OKLCH its lightness is 83%, its chroma 0.125 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.017 away. Black text reads best on it, at 13.25:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 13.25:1 |
| White text | 1.58:1 |
Values
| HEX | #57E3CB |
| RGB | rgb(87, 227, 203) |
| HSL | hsl(170, 71%, 62%) |
| OKLCH | oklch(83.4% 0.125 179.7) |
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 #57E3CB | 1.58:1 | Fails | Lc -29.6 | Dividers and decoration only |
| Black text on #57E3CB | 13.25:1 | AAA | Lc 77.6 | Fine for body text |
| #57E3CB text on white | 1.58:1 | Fails | Lc 26.2 | Dividers and decoration only |
| #57E3CB text on black | 13.25:1 | AAA | Lc -76.8 | Fine 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 300.
-
Step 50
50
#EAF9F6
oklch(97% 0.016 182.7)
-
Step 100
100
#D1F2EA
oklch(93.5% 0.036 179.2)
-
Step 200
200
#A6E9DA
oklch(88.5% 0.07 179.1)
-
Step 300
300 (this color)
#57E3CB
oklch(83.4% 0.125 179.7)
-
Step 400
400
#00BAA3
oklch(70.7% 0.128 179.7)
-
Step 500
500
#00A08C
oklch(63.2% 0.115 179.7)
-
Step 600
600
#008675
oklch(55.5% 0.101 179.7)
-
Step 700
700
#007162
oklch(49.1% 0.09 179.3)
-
Step 800
800
#005D50
oklch(42.8% 0.078 178.9)
-
Step 900
900
#004D43
oklch(37.7% 0.068 180.3)
-
Step 950
950
#002E27
oklch(27% 0.049 179.5)
#57E3CB 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) | #DAD6CA | 0.133 |
| Deuteranopia (no green cones) | #C5C7CD | 0.126 |
| Tritanopia (no blue cones) | #00E7DC | 0.029 |
| Achromatopsia (no color) | #CDCDCD | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57E3CB
#57E3CB
oklch(83.4% 0.125 179.7)
- #FFADC6
#FFADC6
oklch(83.3% 0.1 359.7)
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 #57E3CB, closest first.
No curated palette has a color within ΔE 0.04 of #57E3CB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.017
- Aqua Marine #2EE8BB ΔE 0.036
- Light Teal #90E4C1 ΔE 0.045
- Seafoam Blue #78D1B6 ΔE 0.050
- Medium Turquoise #48D1CC ΔE 0.054
- Light Turquoise #7EF4CC ΔE 0.058
- Tiffany Blue #94D2BD ΔE 0.060
- Bright Aqua #0BF9EA ΔE 0.061
Use #57E3CB 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.