#57BCA5
Closest named color: Topaz (#13BBAF). oklch(72.8% 0.101 176.2), rgb(87, 188, 165).
Aa
Black text reads best on this color (9.14:1).
About this color
#57BCA5 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 73%, its chroma 0.101 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.033 away. Black text reads best on it, at 9.14:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 9.14:1 |
| White text | 2.29:1 |
Values
| HEX | #57BCA5 |
| RGB | rgb(87, 188, 165) |
| HSL | hsl(166, 43%, 54%) |
| OKLCH | oklch(72.8% 0.101 176.2) |
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 #57BCA5 | 2.29:1 | Fails | Lc -49.9 | Large or bold text, headings |
| Black text on #57BCA5 | 9.14:1 | AAA | Lc 58.9 | Large or bold text, headings |
| #57BCA5 text on white | 2.29:1 | Fails | Lc 45.1 | Large or bold text, headings |
| #57BCA5 text on black | 9.14:1 | AAA | Lc -57.0 | 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
#F0F7F5
oklch(97% 0.008 177.3)
-
Step 100
100
#DEEEE9
oklch(93.6% 0.018 175.3)
-
Step 200
200
#C2E1D8
oklch(88.5% 0.035 176.1)
-
Step 300
300
#95CEBF
oklch(80.8% 0.063 176.5)
-
Step 400
400 (this color)
#57BCA5
oklch(72.8% 0.101 176.2)
-
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
#002E26
oklch(26.9% 0.05 177.5)
#57BCA5 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) | #B6B2A4 | 0.106 |
| Deuteranopia (no green cones) | #A6A6A7 | 0.101 |
| Tritanopia (no blue cones) | #1FBEB5 | 0.031 |
| Achromatopsia (no color) | #ABABAB | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57BCA5
#57BCA5
oklch(72.8% 0.101 176.2)
- #DA8CA9
#DA8CA9
oklch(72.8% 0.101 356)
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 #57BCA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.033
- Greeny Blue #42B395 ΔE 0.036
- Light Sea Green #20B2AA ΔE 0.046
- Medium Aquamarine #66CDAA ΔE 0.051
- Green Blue #01C08D ΔE 0.055
- Muted Teal #90B494 ΔE 0.056
- Dark Sea Green #8FBC8F ΔE 0.058
- Greenblue #23C48B ΔE 0.058
Use #57BCA5 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.