#57A088
Closest named color: Dull Teal (#5F9E8F). oklch(65.1% 0.083 170.3), rgb(87, 160, 136).
Aa
Black text reads best on this color (6.78:1).
About this color
#57A088 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.083 and its hue 170°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Teal (#5F9E8F), ΔE 0.016 away. Black text reads best on it, at 6.78:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Dull Teal (#5F9E8F) |
| Black text | 6.78:1 |
| White text | 3.09:1 |
Values
| HEX | #57A088 |
| RGB | rgb(87, 160, 136) |
| HSL | hsl(160, 30%, 48%) |
| OKLCH | oklch(65.1% 0.083 170.3) |
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 #57A088 | 3.09:1 | AA large text | Lc -63.1 | Content text, not long reading |
| Black text on #57A088 | 6.78:1 | AA | Lc 46.3 | Large or bold text, headings |
| #57A088 text on white | 3.09:1 | AA large text | Lc 57.7 | Large or bold text, headings |
| #57A088 text on black | 6.78:1 | AA | Lc -44.0 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CBDED7
oklch(88.4% 0.022 171.7)
-
Step 300
300
#A8C9BD
oklch(80.8% 0.039 171.3)
-
Step 400
400
#77AE9B
oklch(70.7% 0.064 170.8)
-
Step 500
500 (this color)
#57A088
oklch(65.1% 0.083 170.3)
-
Step 600
600
#30846B
oklch(55.5% 0.09 170)
-
Step 700
700
#22705A
oklch(49.2% 0.083 170.4)
-
Step 800
800
#1F5B49
oklch(42.7% 0.069 169.9)
-
Step 900
900
#204B3D
oklch(37.8% 0.054 169.6)
-
Step 950
950
#142C24
oklch(27.1% 0.034 170)
#57A088 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) | #9C9887 | 0.084 |
| Deuteranopia (no green cones) | #918F8A | 0.082 |
| Tritanopia (no blue cones) | #3EA199 | 0.028 |
| Achromatopsia (no color) | #929292 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57A088
#57A088
oklch(65.1% 0.083 170.3)
- #B67B96
#B67B96
oklch(65.1% 0.081 350.6)
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 #57A088, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Teal #5F9E8F ΔE 0.016
- Grey Teal #5E9B8A ΔE 0.017
- Persian Green #2A9D8F ΔE 0.035
- Sea #3C9992 ΔE 0.037
- Cadet Blue #5F9EA0 ΔE 0.040
- Ocean Green #3D9973 ΔE 0.043
- Greeny Grey #7EA07A ΔE 0.044
- Tea #65AB7C ΔE 0.044
Use #57A088 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.