#57DCBF
Closest named color: Turquoise (#40E0D0). oklch(81.3% 0.124 176.1), rgb(87, 220, 191).
Aa
Black text reads best on this color (12.39:1).
About this color
#57DCBF is a light, moderately saturated teal or cyan. In OKLCH its lightness is 81%, its chroma 0.124 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.023 away. Black text reads best on it, at 12.39:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 12.39:1 |
| White text | 1.69:1 |
Values
| HEX | #57DCBF |
| RGB | rgb(87, 220, 191) |
| HSL | hsl(167, 66%, 60%) |
| OKLCH | oklch(81.3% 0.124 176.1) |
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 #57DCBF | 1.69:1 | Fails | Lc -33.6 | Non-text elements, placeholder text |
| Black text on #57DCBF | 12.39:1 | AAA | Lc 73.9 | Content text, not long reading |
| #57DCBF text on white | 1.69:1 | Fails | Lc 29.9 | Dividers and decoration only |
| #57DCBF text on black | 12.39:1 | AAA | Lc -72.9 | 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
#EBF9F5
oklch(97.1% 0.016 177.1)
-
Step 100
100
#D2F2E9
oklch(93.6% 0.035 176.7)
-
Step 200
200
#A9E9D7
oklch(88.6% 0.069 175.3)
-
Step 300
300 (this color)
#57DCBF
oklch(81.3% 0.124 176.1)
-
Step 400
400
#00BB9D
oklch(70.7% 0.133 175.7)
-
Step 500
500
#00A087
oklch(63.1% 0.118 176.3)
-
Step 600
600
#008771
oklch(55.7% 0.104 175.8)
-
Step 700
700
#00715F
oklch(49% 0.091 176.5)
-
Step 800
800
#005D4D
oklch(42.7% 0.08 175.6)
-
Step 900
900
#004D40
oklch(37.6% 0.07 176.4)
-
Step 950
950
#002E25
oklch(26.9% 0.05 175.6)
#57DCBF 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) | #D4CFBE | 0.130 |
| Deuteranopia (no green cones) | #C1C1C1 | 0.124 |
| Tritanopia (no blue cones) | #00DFD3 | 0.033 |
| Achromatopsia (no color) | #C7C7C7 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57DCBF
#57DCBF
oklch(81.3% 0.124 176.1)
- #FFA1C4
#FFA1C4
oklch(81.3% 0.119 356.2)
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 #57DCBF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.023
- Seafoam Blue #78D1B6 ΔE 0.034
- Aqua Marine #2EE8BB ΔE 0.038
- Medium Aquamarine #66CDAA ΔE 0.042
- Medium Turquoise #48D1CC ΔE 0.043
- Pale Teal #82CBB2 ΔE 0.051
- Light Teal #90E4C1 ΔE 0.054
- Tiffany Blue #94D2BD ΔE 0.054
Use #57DCBF 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.