#56B271
Closest named color: Medium Sea Green (#3CB371). oklch(69% 0.13 151.2), rgb(86, 178, 113).
Aa
Black text reads best on this color (8.00:1).
About this color
#56B271 is a medium-light, moderately saturated green. In OKLCH its lightness is 69%, its chroma 0.130 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Sea Green (#3CB371), ΔE 0.018 away. Black text reads best on it, at 8.00:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Medium Sea Green (#3CB371) |
| Black text | 8.00:1 |
| White text | 2.62:1 |
Values
| HEX | #56B271 |
| RGB | rgb(86, 178, 113) |
| HSL | hsl(138, 37%, 52%) |
| OKLCH | oklch(69% 0.13 151.2) |
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 #56B271 | 2.62:1 | Fails | Lc -56.1 | Large or bold text, headings |
| Black text on #56B271 | 8.00:1 | AAA | Lc 53.1 | Large or bold text, headings |
| #56B271 text on white | 2.62:1 | Fails | Lc 50.9 | Large or bold text, headings |
| #56B271 text on black | 8.00:1 | AAA | Lc -51.0 | 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
#F0F8F2
oklch(97.1% 0.012 153.7)
-
Step 100
100
#DFEFE2
oklch(93.7% 0.024 151.2)
-
Step 200
200
#C4E2CA
oklch(88.4% 0.045 151.2)
-
Step 300
300
#9AD0A6
oklch(80.9% 0.081 151.1)
-
Step 400
400 (this color)
#56B271
oklch(69% 0.13 151.2)
-
Step 500
500
#0CA451
oklch(63% 0.166 151.1)
-
Step 600
600
#008B43
oklch(55.7% 0.149 151.3)
-
Step 700
700
#007537
oklch(49.2% 0.132 151.1)
-
Step 800
800
#00602C
oklch(42.8% 0.115 151.2)
-
Step 900
900
#005024
oklch(37.7% 0.101 151.4)
-
Step 950
950
#032F14
oklch(26.9% 0.068 151.5)
#56B271 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) | #B3A56D | 0.111 |
| Deuteranopia (no green cones) | #A69C75 | 0.109 |
| Tritanopia (no blue cones) | #41B0A1 | 0.069 |
| Achromatopsia (no color) | #A0A0A0 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #56B271
#56B271
oklch(69% 0.13 151.2)
- #C97CC0
#C97CC0
oklch(69% 0.13 331.2)
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 #56B271, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Sea Green #3CB371 ΔE 0.018
- Boring Green #63B365 ΔE 0.018
- Algae #54AC68 ΔE 0.018
- Dark Seafoam Green #3EAF76 ΔE 0.021
- Bluey Green #2BB179 ΔE 0.027
- Dark Seafoam #1FB57A ΔE 0.028
- Seaweed Green #35AD6B ΔE 0.030
- Dark Pastel Green #56AE57 ΔE 0.030
Use #56B271 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.