#57AE97
Closest named color: Greeny Blue (#42B395). oklch(69% 0.092 174), rgb(87, 174, 151).
Aa
Black text reads best on this color (7.90:1).
About this color
#57AE97 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 69%, its chroma 0.092 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.021 away. Black text reads best on it, at 7.90:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 7.90:1 |
| White text | 2.65:1 |
Values
| HEX | #57AE97 |
| RGB | rgb(87, 174, 151) |
| HSL | hsl(164, 35%, 51%) |
| OKLCH | oklch(69% 0.092 174) |
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 #57AE97 | 2.65:1 | Fails | Lc -56.7 | Large or bold text, headings |
| Black text on #57AE97 | 7.90:1 | AAA | Lc 52.5 | Large or bold text, headings |
| #57AE97 text on white | 2.65:1 | Fails | Lc 51.5 | Large or bold text, headings |
| #57AE97 text on black | 7.90:1 | AAA | Lc -50.4 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#DFEEE9
oklch(93.7% 0.017 174)
-
Step 200
200
#C5E0D7
oklch(88.4% 0.031 173.5)
-
Step 300
300
#9BCDBE
oklch(80.9% 0.056 174.4)
-
Step 400
400 (this color)
#57AE97
oklch(69% 0.092 174)
-
Step 500
500
#11A084
oklch(63.1% 0.117 174)
-
Step 600
600
#00876F
oklch(55.6% 0.106 174.3)
-
Step 700
700
#00725D
oklch(49.3% 0.094 174)
-
Step 800
800
#005D4C
oklch(42.7% 0.081 174.6)
-
Step 900
900
#004E3F
oklch(37.8% 0.072 174.1)
-
Step 950
950
#042E25
oklch(27% 0.048 174.7)
#57AE97 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) | #A9A596 | 0.095 |
| Deuteranopia (no green cones) | #9B9B99 | 0.091 |
| Tritanopia (no blue cones) | #32B0A7 | 0.029 |
| Achromatopsia (no color) | #9F9F9F | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57AE97
#57AE97
oklch(69% 0.092 174)
- #C8839F
#C8839F
oklch(68.9% 0.092 353.8)
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 #57AE97, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.021
- Light Sea Green #20B2AA ΔE 0.035
- Tea #65AB7C ΔE 0.036
- Dull Teal #5F9E8F ΔE 0.044
- Topaz #13BBAF ΔE 0.046
- Dusty Green #76A973 ΔE 0.050
- Grey Teal #5E9B8A ΔE 0.052
- Cadet Blue #5F9EA0 ΔE 0.053
Use #57AE97 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.