#57B78F
Closest named color: Greeny Blue (#42B395). oklch(71% 0.109 163.9), rgb(87, 183, 143).
Aa
Black text reads best on this color (8.57:1).
About this color
#57B78F is a medium-light, moderately saturated green. In OKLCH its lightness is 71%, its chroma 0.109 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.022 away. Black text reads best on it, at 8.57:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.109) |
| Temperature | in between |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.57:1 |
| White text | 2.44:1 |
Values
| HEX | #57B78F |
| RGB | rgb(87, 183, 143) |
| HSL | hsl(155, 40%, 53%) |
| OKLCH | oklch(71% 0.109 163.9) |
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 #57B78F | 2.44:1 | Fails | Lc -53.0 | Large or bold text, headings |
| Black text on #57B78F | 8.57:1 | AAA | Lc 56.0 | Large or bold text, headings |
| #57B78F text on white | 2.44:1 | Fails | Lc 48.0 | Large or bold text, headings |
| #57B78F text on black | 8.57:1 | AAA | Lc -54.0 | 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
#F0F7F4
oklch(97% 0.008 168.8)
-
Step 100
100
#DFEEE6
oklch(93.6% 0.019 162.9)
-
Step 200
200
#C3E2D2
oklch(88.6% 0.039 163.1)
-
Step 300
300
#98CFB5
oklch(80.9% 0.068 164.1)
-
Step 400
400 (this color)
#57B78F
oklch(71% 0.109 163.9)
-
Step 500
500
#00A273
oklch(63.1% 0.134 164)
-
Step 600
600
#008860
oklch(55.5% 0.118 164)
-
Step 700
700
#007350
oklch(49.2% 0.105 163.6)
-
Step 800
800
#005E41
oklch(42.7% 0.091 163.9)
-
Step 900
900
#004F36
oklch(37.9% 0.081 163.8)
-
Step 950
950
#002F1F
oklch(27% 0.057 164.4)
#57B78F 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) | #B4AC8D | 0.107 |
| Deuteranopia (no green cones) | #A6A192 | 0.105 |
| Tritanopia (no blue cones) | #34B7AC | 0.044 |
| Achromatopsia (no color) | #A5A5A5 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57B78F
#57B78F
oklch(71% 0.109 163.9)
- #D285B2
#D285B2
oklch(71% 0.11 344.3)
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 #57B78F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.022
- Tea #65AB7C ΔE 0.035
- Green Blue #01C08D ΔE 0.040
- Faded Green #7BB274 ΔE 0.042
- Dark Seafoam Green #3EAF76 ΔE 0.044
- Greenblue #23C48B ΔE 0.046
- Bluey Green #2BB179 ΔE 0.046
- Dark Seafoam #1FB57A ΔE 0.046
Use #57B78F 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.