#57E5B4
Closest named color: Aqua Marine (#2EE8BB). oklch(83.2% 0.142 166.7), rgb(87, 229, 180).
Aa
Black text reads best on this color (13.27:1).
About this color
#57E5B4 is a light, vivid green. In OKLCH its lightness is 83%, its chroma 0.142 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Aqua Marine (#2EE8BB), ΔE 0.018 away. Black text reads best on it, at 13.27:1.
| Hue family | Greens |
| Lightness | light (83%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Aqua Marine (#2EE8BB) |
| Black text | 13.27:1 |
| White text | 1.58:1 |
Values
| HEX | #57E5B4 |
| RGB | rgb(87, 229, 180) |
| HSL | hsl(159, 73%, 62%) |
| OKLCH | oklch(83.2% 0.142 166.7) |
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 #57E5B4 | 1.58:1 | Fails | Lc -29.5 | Dividers and decoration only |
| Black text on #57E5B4 | 13.27:1 | AAA | Lc 77.7 | Fine for body text |
| #57E5B4 text on white | 1.58:1 | Fails | Lc 26.1 | Dividers and decoration only |
| #57E5B4 text on black | 13.27:1 | AAA | Lc -76.9 | 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
#EAFAF3
oklch(97.1% 0.019 167.9)
-
Step 100
100
#D1F3E4
oklch(93.6% 0.041 167)
-
Step 200
200
#A7EACE
oklch(88.5% 0.078 166.8)
-
Step 300
300 (this color)
#57E5B4
oklch(83.2% 0.142 166.7)
-
Step 400
400
#00BD8D
oklch(70.8% 0.146 166.7)
-
Step 500
500
#00A278
oklch(63.2% 0.13 166.5)
-
Step 600
600
#008865
oklch(55.6% 0.114 167)
-
Step 700
700
#007254
oklch(49% 0.101 166.9)
-
Step 800
800
#005E44
oklch(42.7% 0.088 166.3)
-
Step 900
900
#004E38
oklch(37.6% 0.078 166.4)
-
Step 950
950
#002F20
oklch(27.1% 0.056 165.8)
#57E5B4 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) | #E0D6B1 | 0.141 |
| Deuteranopia (no green cones) | #CCC8B7 | 0.136 |
| Tritanopia (no blue cones) | #00E6D7 | 0.050 |
| Achromatopsia (no color) | #CDCDCD | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57E5B4
#57E5B4
oklch(83.2% 0.142 166.7)
- #FFA9D7
#FFA9D7
oklch(83.2% 0.115 346.6)
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 #57E5B4, closest first.
No curated palette has a color within ΔE 0.04 of #57E5B4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Marine #2EE8BB ΔE 0.018
- Turquoise #40E0D0 ΔE 0.046
- Light Teal #90E4C1 ΔE 0.051
- Bright Teal #01F9C6 ΔE 0.053
- Aqua Green #12E193 ΔE 0.054
- Hospital Green #9BE5AA ΔE 0.055
- Emerald #06D6A0 ΔE 0.058
- Light Turquoise #7EF4CC ΔE 0.058
Use #57E5B4 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.