#57AFA0
Closest named color: Greeny Blue (#42B395). oklch(69.5% 0.088 181.1), rgb(87, 175, 160).
Aa
Black text reads best on this color (8.04:1).
About this color
#57AFA0 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.088 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.028 away. Black text reads best on it, at 8.04:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.04:1 |
| White text | 2.61:1 |
Values
| HEX | #57AFA0 |
| RGB | rgb(87, 175, 160) |
| HSL | hsl(170, 35%, 51%) |
| OKLCH | oklch(69.5% 0.088 181.1) |
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 #57AFA0 | 2.61:1 | Fails | Lc -55.9 | Large or bold text, headings |
| Black text on #57AFA0 | 8.04:1 | AAA | Lc 53.3 | Large or bold text, headings |
| #57AFA0 text on white | 2.61:1 | Fails | Lc 50.8 | Large or bold text, headings |
| #57AFA0 text on black | 8.04:1 | AAA | Lc -51.2 | 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
#DFEEEA
oklch(93.7% 0.017 178.3)
-
Step 200
200
#C4E0DA
oklch(88.4% 0.031 181.2)
-
Step 300
300
#9ACDC3
oklch(81% 0.055 181.5)
-
Step 400
400 (this color)
#57AFA0
oklch(69.5% 0.088 181.1)
-
Step 500
500
#079F8D
oklch(63% 0.113 181)
-
Step 600
600
#008677
oklch(55.6% 0.1 181.4)
-
Step 700
700
#007164
oklch(49.2% 0.089 181.2)
-
Step 800
800
#005C51
oklch(42.6% 0.077 181.1)
-
Step 900
900
#004D44
oklch(37.7% 0.068 181.7)
-
Step 950
950
#032E28
oklch(27.1% 0.047 181.1)
#57AFA0 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) | #A8A69F | 0.093 |
| Deuteranopia (no green cones) | #9A9CA1 | 0.088 |
| Tritanopia (no blue cones) | #2BB2AA | 0.026 |
| Achromatopsia (no color) | #A0A0A0 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57AFA0
#57AFA0
oklch(69.5% 0.088 181.1)
- #CB8699
#CB8699
oklch(69.6% 0.088 1.7)
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 #57AFA0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.028
- Light Sea Green #20B2AA ΔE 0.030
- Topaz #13BBAF ΔE 0.041
- Dull Teal #5F9E8F ΔE 0.047
- Tea #65AB7C ΔE 0.048
- Cadet Blue #5F9EA0 ΔE 0.050
- Grey Teal #5E9B8A ΔE 0.057
- Turquoise Blue #06B1C4 ΔE 0.057
Use #57AFA0 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.