#57B889
Closest named color: Greeny Blue (#42B395). oklch(71.1% 0.116 160.3), rgb(87, 184, 137).
Aa
Black text reads best on this color (8.62:1).
About this color
#57B889 is a medium-light, moderately saturated green. In OKLCH its lightness is 71%, its chroma 0.116 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.029 away. Black text reads best on it, at 8.62:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.116) |
| Temperature | in between |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.62:1 |
| White text | 2.43:1 |
Values
| HEX | #57B889 |
| RGB | rgb(87, 184, 137) |
| HSL | hsl(151, 41%, 53%) |
| OKLCH | oklch(71.1% 0.116 160.3) |
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 #57B889 | 2.43:1 | Fails | Lc -52.7 | Large or bold text, headings |
| Black text on #57B889 | 8.62:1 | AAA | Lc 56.3 | Large or bold text, headings |
| #57B889 text on white | 2.43:1 | Fails | Lc 47.7 | Large or bold text, headings |
| #57B889 text on black | 8.62:1 | AAA | Lc -54.3 | 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
#F0F8F3
oklch(97.2% 0.011 158.8)
-
Step 100
100
#DFEEE5
oklch(93.5% 0.02 159.7)
-
Step 200
200
#C3E2D0
oklch(88.5% 0.041 160)
-
Step 300
300
#98D0B1
oklch(81% 0.073 160)
-
Step 400
400 (this color)
#57B889
oklch(71.1% 0.116 160.3)
-
Step 500
500
#00A36B
oklch(63.1% 0.143 160.1)
-
Step 600
600
#00895A
oklch(55.6% 0.125 160.5)
-
Step 700
700
#00734B
oklch(49% 0.11 160.6)
-
Step 800
800
#005F3C
oklch(42.8% 0.097 159.8)
-
Step 900
900
#004F32
oklch(37.7% 0.085 160.4)
-
Step 950
950
#002F1C
oklch(26.9% 0.06 160.5)
#57B889 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) | #B6AC86 | 0.110 |
| Deuteranopia (no green cones) | #A8A28C | 0.107 |
| Tritanopia (no blue cones) | #37B7AB | 0.051 |
| Achromatopsia (no color) | #A6A6A6 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57B889
#57B889
oklch(71.1% 0.116 160.3)
- #D284B8
#D284B8
oklch(71% 0.116 340.3)
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 #57B889, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.029
- Tea #65AB7C ΔE 0.036
- Green Blue #01C08D ΔE 0.036
- Faded Green #7BB274 ΔE 0.037
- Greenblue #23C48B ΔE 0.040
- Dark Seafoam Green #3EAF76 ΔE 0.040
- Medium Sea Green #3CB371 ΔE 0.041
- Dark Seafoam #1FB57A ΔE 0.041
Use #57B889 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.