#57AA73
Closest named color: Algae (#54AC68). oklch(67.1% 0.116 153.1), rgb(87, 170, 115).
Aa
Black text reads best on this color (7.40:1).
About this color
#57AA73 is a medium-light, moderately saturated green. In OKLCH its lightness is 67%, its chroma 0.116 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Algae (#54AC68), ΔE 0.018 away. Black text reads best on it, at 7.40:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.116) |
| Temperature | in between |
| Nearest name | Algae (#54AC68) |
| Black text | 7.40:1 |
| White text | 2.83:1 |
Values
| HEX | #57AA73 |
| RGB | rgb(87, 170, 115) |
| HSL | hsl(140, 33%, 50%) |
| OKLCH | oklch(67.1% 0.116 153.1) |
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 #57AA73 | 2.83:1 | Fails | Lc -59.5 | Large or bold text, headings |
| Black text on #57AA73 | 7.40:1 | AAA | Lc 49.8 | Large or bold text, headings |
| #57AA73 text on white | 2.83:1 | Fails | Lc 54.2 | Large or bold text, headings |
| #57AA73 text on black | 7.40:1 | AAA | Lc -47.6 | 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
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E0EEE3
oklch(93.6% 0.021 152.2)
-
Step 200
200
#C6E1CD
oklch(88.4% 0.039 153.4)
-
Step 300
300
#9DCFAB
oklch(81% 0.073 153.3)
-
Step 400
400 (this color)
#57AA73
oklch(67.1% 0.116 153.1)
-
Step 500
500
#28A25C
oklch(63% 0.148 152.9)
-
Step 600
600
#008A49
oklch(55.5% 0.142 153.3)
-
Step 700
700
#00743C
oklch(49% 0.126 153.1)
-
Step 800
800
#005F30
oklch(42.6% 0.109 153.1)
-
Step 900
900
#015027
oklch(37.8% 0.097 152.7)
-
Step 950
950
#072F17
oklch(27.1% 0.062 152.7)
#57AA73 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) | #AA9E70 | 0.102 |
| Deuteranopia (no green cones) | #9E9676 | 0.099 |
| Tritanopia (no blue cones) | #44A89C | 0.060 |
| Achromatopsia (no color) | #999999 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57AA73
#57AA73
oklch(67.1% 0.116 153.1)
- #C07AB4
#C07AB4
oklch(67.2% 0.115 333.2)
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 #57AA73, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Algae #54AC68 ΔE 0.018
- Tea #65AB7C ΔE 0.019
- Dark Seafoam Green #3EAF76 ΔE 0.020
- Seaweed Green #35AD6B ΔE 0.029
- Bluey Green #2BB179 ΔE 0.030
- Dull Green #74A662 ΔE 0.031
- Dusty Green #76A973 ΔE 0.031
- Medium Sea Green #3CB371 ΔE 0.031
Use #57AA73 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.