#57A489
Closest named color: Dull Teal (#5F9E8F). oklch(66.1% 0.087 168.7), rgb(87, 164, 137).
Aa
Black text reads best on this color (7.07:1).
About this color
#57A489 is a medium-light, moderately saturated green. In OKLCH its lightness is 66%, its chroma 0.087 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dull Teal (#5F9E8F), ΔE 0.023 away. Black text reads best on it, at 7.07:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Dull Teal (#5F9E8F) |
| Black text | 7.07:1 |
| White text | 2.96:1 |
Values
| HEX | #57A489 |
| RGB | rgb(87, 164, 137) |
| HSL | hsl(159, 31%, 49%) |
| OKLCH | oklch(66.1% 0.087 168.7) |
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 #57A489 | 2.96:1 | Fails | Lc -61.4 | Content text, not long reading |
| Black text on #57A489 | 7.07:1 | AAA | Lc 48.0 | Large or bold text, headings |
| #57A489 text on white | 2.96:1 | Fails | Lc 56.1 | Large or bold text, headings |
| #57A489 text on black | 7.07:1 | AAA | Lc -45.7 | 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 500.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#CBDED6
oklch(88.4% 0.023 168.7)
-
Step 300
300
#A7CABC
oklch(80.9% 0.042 169)
-
Step 400
400
#75AF99
oklch(70.8% 0.069 168.6)
-
Step 500
500 (this color)
#57A489
oklch(66.1% 0.087 168.7)
-
Step 600
600
#2B8569
oklch(55.6% 0.095 168.5)
-
Step 700
700
#1C7158
oklch(49.2% 0.089 168.7)
-
Step 800
800
#1B5C48
oklch(42.8% 0.073 168.7)
-
Step 900
900
#1E4B3C
oklch(37.6% 0.056 168.7)
-
Step 950
950
#132C23
oklch(27% 0.036 168.1)
#57A489 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) | #A19B88 | 0.090 |
| Deuteranopia (no green cones) | #94928B | 0.085 |
| Tritanopia (no blue cones) | #3DA59C | 0.030 |
| Achromatopsia (no color) | #969696 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57A489
#57A489
oklch(66.1% 0.087 168.7)
- #BB7C9B
#BB7C9B
oklch(66% 0.088 348.8)
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 #57A489, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Teal #5F9E8F ΔE 0.023
- Grey Teal #5E9B8A ΔE 0.027
- Tea #65AB7C ΔE 0.034
- Persian Green #2A9D8F ΔE 0.041
- Greeny Blue #42B395 ΔE 0.041
- Greeny Grey #7EA07A ΔE 0.042
- Cadet Blue #5F9EA0 ΔE 0.045
- Sea #3C9992 ΔE 0.046
Use #57A489 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.