#57B1AA
Closest named color: Light Sea Green (#20B2AA). oklch(70.3% 0.087 188.7), rgb(87, 177, 170).
Aa
Black text reads best on this color (8.27:1).
About this color
#57B1AA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.087 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.030 away. Black text reads best on it, at 8.27:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 8.27:1 |
| White text | 2.53:1 |
Values
| HEX | #57B1AA |
| RGB | rgb(87, 177, 170) |
| HSL | hsl(175, 37%, 52%) |
| OKLCH | oklch(70.3% 0.087 188.7) |
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 #57B1AA | 2.53:1 | Fails | Lc -54.6 | Large or bold text, headings |
| Black text on #57B1AA | 8.27:1 | AAA | Lc 54.5 | Large or bold text, headings |
| #57B1AA text on white | 2.53:1 | Fails | Lc 49.5 | Large or bold text, headings |
| #57B1AA text on black | 8.27:1 | AAA | Lc -52.4 | Large or bold text, headings |
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 400.
-
Step 50
50
#F0F7F6
oklch(97.1% 0.008 186.9)
-
Step 100
100
#DFEDEC
oklch(93.5% 0.015 191.8)
-
Step 200
200
#C4E0DD
oklch(88.5% 0.03 188.8)
-
Step 300
300
#99CCC7
oklch(80.8% 0.054 188.7)
-
Step 400
400 (this color)
#57B1AA
oklch(70.3% 0.087 188.7)
-
Step 500
500
#009E96
oklch(63% 0.109 188.5)
-
Step 600
600
#00857E
oklch(55.6% 0.097 188.3)
-
Step 700
700
#00706A
oklch(49.1% 0.085 188.3)
-
Step 800
800
#005C57
oklch(42.8% 0.074 188.4)
-
Step 900
900
#004C48
oklch(37.6% 0.065 188.7)
-
Step 950
950
#012D2B
oklch(26.9% 0.046 190.1)
#57B1AA 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) | #A9A9AA | 0.093 |
| Deuteranopia (no green cones) | #9A9EAB | 0.087 |
| Tritanopia (no blue cones) | #1FB5AF | 0.029 |
| Achromatopsia (no color) | #A2A2A2 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57B1AA
#57B1AA
oklch(70.3% 0.087 188.7)
- #CF8994
#CF8994
oklch(70.4% 0.087 9.2)
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 #57B1AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.030
- Topaz #13BBAF ΔE 0.037
- Greeny Blue #42B395 ΔE 0.038
- Turquoise Blue #06B1C4 ΔE 0.048
- Cadet Blue #5F9EA0 ΔE 0.052
- Dull Teal #5F9E8F ΔE 0.056
- Greyblue #77A1B5 ΔE 0.060
- Tea #65AB7C ΔE 0.061
Use #57B1AA 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.