#57AE73
Closest named color: Algae (#54AC68). oklch(68.1% 0.122 152.4), rgb(87, 174, 115).
Aa
Black text reads best on this color (7.70:1).
About this color
#57AE73 is a medium-light, moderately saturated green. In OKLCH its lightness is 68%, its chroma 0.122 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Algae (#54AC68), ΔE 0.015 away. Black text reads best on it, at 7.70:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Algae (#54AC68) |
| Black text | 7.70:1 |
| White text | 2.72:1 |
Values
| HEX | #57AE73 |
| RGB | rgb(87, 174, 115) |
| HSL | hsl(139, 35%, 51%) |
| OKLCH | oklch(68.1% 0.122 152.4) |
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 #57AE73 | 2.72:1 | Fails | Lc -57.8 | Large or bold text, headings |
| Black text on #57AE73 | 7.70:1 | AAA | Lc 51.5 | Large or bold text, headings |
| #57AE73 text on white | 2.72:1 | Fails | Lc 52.6 | Large or bold text, headings |
| #57AE73 text on black | 7.70:1 | AAA | Lc -49.3 | 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
#F1F8F2
oklch(97.2% 0.011 149.9)
-
Step 100
100
#E0EEE3
oklch(93.6% 0.021 152.2)
-
Step 200
200
#C5E2CC
oklch(88.5% 0.043 152.7)
-
Step 300
300
#9CCFA9
oklch(80.8% 0.075 152.3)
-
Step 400
400 (this color)
#57AE73
oklch(68.1% 0.122 152.4)
-
Step 500
500
#1EA358
oklch(63% 0.156 152.3)
-
Step 600
600
#008A46
oklch(55.5% 0.145 152.3)
-
Step 700
700
#00743A
oklch(49% 0.128 152.4)
-
Step 800
800
#00602F
oklch(42.8% 0.112 152.4)
-
Step 900
900
#005026
oklch(37.8% 0.099 152.3)
-
Step 950
950
#052F16
oklch(27% 0.064 152.5)
#57AE73 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) | #AEA26F | 0.105 |
| Deuteranopia (no green cones) | #A29977 | 0.104 |
| Tritanopia (no blue cones) | #43AC9F | 0.064 |
| Achromatopsia (no color) | #9D9D9D | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57AE73
#57AE73
oklch(68.1% 0.122 152.4)
- #C47BB9
#C47BB9
oklch(68% 0.121 332.4)
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 #57AE73, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Algae #54AC68 ΔE 0.015
- Dark Seafoam Green #3EAF76 ΔE 0.017
- Tea #65AB7C ΔE 0.022
- Medium Sea Green #3CB371 ΔE 0.023
- Bluey Green #2BB179 ΔE 0.026
- Boring Green #63B365 ΔE 0.028
- Seaweed Green #35AD6B ΔE 0.028
- Dark Seafoam #1FB57A ΔE 0.032
Use #57AE73 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.