#57B784
Closest named color: Greeny Blue (#42B395). oklch(70.7% 0.119 158), rgb(87, 183, 132).
Aa
Black text reads best on this color (8.51:1).
About this color
#57B784 is a medium-light, moderately saturated green. In OKLCH its lightness is 71%, its chroma 0.119 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.032 away. Black text reads best on it, at 8.51:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.51:1 |
| White text | 2.46:1 |
Values
| HEX | #57B784 |
| RGB | rgb(87, 183, 132) |
| HSL | hsl(148, 40%, 53%) |
| OKLCH | oklch(70.7% 0.119 158) |
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 #57B784 | 2.46:1 | Fails | Lc -53.3 | Large or bold text, headings |
| Black text on #57B784 | 8.51:1 | AAA | Lc 55.7 | Large or bold text, headings |
| #57B784 text on white | 2.46:1 | Fails | Lc 48.3 | Large or bold text, headings |
| #57B784 text on black | 8.51:1 | AAA | Lc -53.7 | 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 400.
-
Step 50
50
#F0F8F3
oklch(97.2% 0.011 158.8)
-
Step 100
100
#DFEEE4
oklch(93.5% 0.021 156.8)
-
Step 200
200
#C3E2CF
oklch(88.5% 0.042 158.5)
-
Step 300
300
#98D0AE
oklch(80.9% 0.075 157.6)
-
Step 400
400 (this color)
#57B784
oklch(70.7% 0.119 158)
-
Step 500
500
#00A366
oklch(63% 0.147 158.1)
-
Step 600
600
#008955
oklch(55.5% 0.129 158.2)
-
Step 700
700
#007447
oklch(49.2% 0.115 158)
-
Step 800
800
#005F39
oklch(42.8% 0.1 157.9)
-
Step 900
900
#004F2F
oklch(37.7% 0.088 158.2)
-
Step 950
950
#002F1A
oklch(26.9% 0.063 158.2)
#57B784 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) | #B6AB81 | 0.111 |
| Deuteranopia (no green cones) | #A8A187 | 0.108 |
| Tritanopia (no blue cones) | #3AB6A9 | 0.054 |
| Achromatopsia (no color) | #A5A5A5 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57B784
#57B784
oklch(70.7% 0.119 158)
- #D083BA
#D083BA
oklch(70.7% 0.118 338.1)
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 #57B784, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.032
- Tea #65AB7C ΔE 0.033
- Faded Green #7BB274 ΔE 0.035
- Medium Sea Green #3CB371 ΔE 0.035
- Dark Seafoam Green #3EAF76 ΔE 0.035
- Green Blue #01C08D ΔE 0.036
- Dark Seafoam #1FB57A ΔE 0.036
- Boring Green #63B365 ΔE 0.037
Use #57B784 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.