#57DDAB
Closest named color: Aqua Marine (#2EE8BB). oklch(81.1% 0.138 165.2), rgb(87, 221, 171).
Aa
Black text reads best on this color (12.33:1).
About this color
#57DDAB is a light, moderately saturated green. In OKLCH its lightness is 81%, its chroma 0.138 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Aqua Marine (#2EE8BB), ΔE 0.032 away. Black text reads best on it, at 12.33:1.
| Hue family | Greens |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Aqua Marine (#2EE8BB) |
| Black text | 12.33:1 |
| White text | 1.70:1 |
Values
| HEX | #57DDAB |
| RGB | rgb(87, 221, 171) |
| HSL | hsl(158, 66%, 60%) |
| OKLCH | oklch(81.1% 0.138 165.2) |
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 #57DDAB | 1.70:1 | Fails | Lc -33.9 | Non-text elements, placeholder text |
| Black text on #57DDAB | 12.33:1 | AAA | Lc 73.7 | Content text, not long reading |
| #57DDAB text on white | 1.70:1 | Fails | Lc 30.1 | Non-text elements, placeholder text |
| #57DDAB text on black | 12.33:1 | AAA | Lc -72.7 | Content text, not long reading |
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
#EBFAF2
oklch(97.2% 0.019 162.9)
-
Step 100
100
#D2F3E3
oklch(93.6% 0.041 164.7)
-
Step 200
200
#A9EACD
oklch(88.5% 0.077 165.3)
-
Step 300
300 (this color)
#57DDAB
oklch(81.1% 0.138 165.2)
-
Step 400
400
#00BD89
oklch(70.7% 0.149 164.9)
-
Step 500
500
#00A275
oklch(63.1% 0.133 165)
-
Step 600
600
#008862
oklch(55.5% 0.117 165.2)
-
Step 700
700
#007352
oklch(49.2% 0.104 164.9)
-
Step 800
800
#005E43
oklch(42.7% 0.089 165.5)
-
Step 900
900
#004E37
oklch(37.6% 0.079 165.5)
-
Step 950
950
#002F1F
oklch(27% 0.057 164.4)
#57DDAB 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) | #D9CEA8 | 0.137 |
| Deuteranopia (no green cones) | #C6C1AE | 0.132 |
| Tritanopia (no blue cones) | #00DDCF | 0.052 |
| Achromatopsia (no color) | #C6C6C6 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57DDAB
#57DDAB
oklch(81.1% 0.138 165.2)
- #FF9CD5
#FF9CD5
oklch(81% 0.136 345)
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 #57DDAB, closest first.
No curated palette has a color within ΔE 0.04 of #57DDAB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Marine #2EE8BB ΔE 0.032
- Emerald #06D6A0 ΔE 0.039
- Medium Aquamarine #66CDAA ΔE 0.045
- Seafoam Blue #78D1B6 ΔE 0.047
- Aqua Green #12E193 ΔE 0.047
- Turquoise #40E0D0 ΔE 0.049
- Light Teal #90E4C1 ΔE 0.062
- Pale Teal #82CBB2 ΔE 0.062
Use #57DDAB 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.