#57BDAF
Closest named color: Topaz (#13BBAF). oklch(73.4% 0.098 183.4), rgb(87, 189, 175).
Aa
Black text reads best on this color (9.30:1).
About this color
#57BDAF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 73%, its chroma 0.098 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.032 away. Black text reads best on it, at 9.30:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 9.30:1 |
| White text | 2.25:1 |
Values
| HEX | #57BDAF |
| RGB | rgb(87, 189, 175) |
| HSL | hsl(172, 44%, 54%) |
| OKLCH | oklch(73.4% 0.098 183.4) |
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 #57BDAF | 2.25:1 | Fails | Lc -49.1 | Large or bold text, headings |
| Black text on #57BDAF | 9.30:1 | AAA | Lc 59.7 | Large or bold text, headings |
| #57BDAF text on white | 2.25:1 | Fails | Lc 44.3 | Non-text elements, placeholder text |
| #57BDAF text on black | 9.30:1 | AAA | Lc -57.9 | 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
#DEEEEB
oklch(93.6% 0.017 183.5)
-
Step 200
200
#C2E1DB
oklch(88.5% 0.034 182.6)
-
Step 300
300
#94CEC4
oklch(80.9% 0.061 182.9)
-
Step 400
400 (this color)
#57BDAF
oklch(73.4% 0.098 183.4)
-
Step 500
500
#009F90
oklch(63.1% 0.112 183.2)
-
Step 600
600
#008679
oklch(55.7% 0.099 183.1)
-
Step 700
700
#007066
oklch(49% 0.087 184.2)
-
Step 800
800
#005C53
oklch(42.6% 0.076 183.4)
-
Step 900
900
#004D45
oklch(37.7% 0.067 183.1)
-
Step 950
950
#002E29
oklch(27.1% 0.048 183.6)
#57BDAF 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) | #B5B3AF | 0.104 |
| Deuteranopia (no green cones) | #A5A8B0 | 0.097 |
| Tritanopia (no blue cones) | #0DC0B9 | 0.030 |
| Achromatopsia (no color) | #ACACAC | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57BDAF
#57BDAF
oklch(73.4% 0.098 183.4)
- #DD8FA2
#DD8FA2
oklch(73.4% 0.097 3.9)
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 #57BDAF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.032
- Greeny Blue #42B395 ΔE 0.046
- Light Sea Green #20B2AA ΔE 0.047
- Medium Aquamarine #66CDAA ΔE 0.052
- Dark Turquoise #00CED1 ΔE 0.057
- Medium Turquoise #48D1CC ΔE 0.058
- Pale Teal #82CBB2 ΔE 0.059
- Muted Teal #90B494 ΔE 0.060
Use #57BDAF 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.