#57D9C1
Closest named color: Turquoise (#40E0D0). oklch(80.7% 0.12 178.8), rgb(87, 217, 193).
Aa
Black text reads best on this color (12.10:1).
About this color
#57D9C1 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 81%, its chroma 0.120 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.024 away. Black text reads best on it, at 12.10:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 12.10:1 |
| White text | 1.73:1 |
Values
| HEX | #57D9C1 |
| RGB | rgb(87, 217, 193) |
| HSL | hsl(169, 63%, 60%) |
| OKLCH | oklch(80.7% 0.12 178.8) |
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 #57D9C1 | 1.73:1 | Fails | Lc -35.1 | Non-text elements, placeholder text |
| Black text on #57D9C1 | 12.10:1 | AAA | Lc 72.7 | Content text, not long reading |
| #57D9C1 text on white | 1.73:1 | Fails | Lc 31.2 | Non-text elements, placeholder text |
| #57D9C1 text on black | 12.10:1 | AAA | Lc -71.6 | 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
#D2F2EA
oklch(93.6% 0.035 178.8)
-
Step 200
200
#A9E8DA
oklch(88.5% 0.067 179.4)
-
Step 300
300 (this color)
#57D9C1
oklch(80.7% 0.12 178.8)
-
Step 400
400
#00BAA2
oklch(70.6% 0.129 179.1)
-
Step 500
500
#00A08A
oklch(63.2% 0.116 178.3)
-
Step 600
600
#008674
oklch(55.5% 0.101 178.9)
-
Step 700
700
#007161
oklch(49.1% 0.09 178.4)
-
Step 800
800
#005D50
oklch(42.8% 0.078 178.9)
-
Step 900
900
#004D42
oklch(37.6% 0.069 179)
-
Step 950
950
#002E27
oklch(27% 0.049 179.5)
#57D9C1 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) | #D1CDC0 | 0.127 |
| Deuteranopia (no green cones) | #BDBFC3 | 0.119 |
| Tritanopia (no blue cones) | #00DCD2 | 0.031 |
| Achromatopsia (no color) | #C4C4C4 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57D9C1
#57D9C1
oklch(80.7% 0.12 178.8)
- #FF9FBE
#FF9FBE
oklch(80.8% 0.119 359.3)
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 #57D9C1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.024
- Seafoam Blue #78D1B6 ΔE 0.029
- Medium Turquoise #48D1CC ΔE 0.033
- Medium Aquamarine #66CDAA ΔE 0.037
- Pale Teal #82CBB2 ΔE 0.045
- Aqua Marine #2EE8BB ΔE 0.047
- Tiffany Blue #94D2BD ΔE 0.052
- Dark Turquoise #00CED1 ΔE 0.054
Use #57D9C1 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.