#51A36A
Closest named color: Muted Green (#5FA052). oklch(64.9% 0.118 151.8), rgb(81, 163, 106).
Aa
Black text reads best on this color (6.79:1).
About this color
#51A36A is a medium-light, moderately saturated green. In OKLCH its lightness is 65%, its chroma 0.118 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muted Green (#5FA052), ΔE 0.028 away. Black text reads best on it, at 6.79:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Muted Green (#5FA052) |
| Black text | 6.79:1 |
| White text | 3.08:1 |
Values
| HEX | #51A36A |
| RGB | rgb(81, 163, 106) |
| HSL | hsl(138, 34%, 48%) |
| OKLCH | oklch(64.9% 0.118 151.8) |
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 #51A36A | 3.08:1 | AA large text | Lc -63.0 | Content text, not long reading |
| Black text on #51A36A | 6.79:1 | AA | Lc 46.4 | Large or bold text, headings |
| #51A36A text on white | 3.08:1 | AA large text | Lc 57.6 | Large or bold text, headings |
| #51A36A text on black | 6.79:1 | AA | Lc -44.1 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE4
oklch(93.5% 0.017 151.1)
-
Step 200
200
#CAE0CF
oklch(88.6% 0.033 152.4)
-
Step 300
300
#A6CCAE
oklch(80.9% 0.058 151.2)
-
Step 400
400
#74B184
oklch(70.6% 0.091 151.8)
-
Step 500
500 (this color)
#51A36A
oklch(64.9% 0.118 151.8)
-
Step 600
600
#28884C
oklch(55.6% 0.128 151.9)
-
Step 700
700
#19733D
oklch(49.1% 0.118 151.9)
-
Step 800
800
#195E32
oklch(42.8% 0.099 151.4)
-
Step 900
900
#1C4D2C
oklch(37.7% 0.077 151.6)
-
Step 950
950
#122D1A
oklch(27% 0.049 151.5)
#51A36A 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) | #A39766 | 0.101 |
| Deuteranopia (no green cones) | #988F6D | 0.100 |
| Tritanopia (no blue cones) | #3FA194 | 0.062 |
| Achromatopsia (no color) | #939393 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51A36A
#51A36A
oklch(64.9% 0.118 151.8)
- #B873AF
#B873AF
oklch(64.9% 0.117 331.6)
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 #51A36A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Green #5FA052 ΔE 0.028
- Jade #1FA774 ΔE 0.028
- Algae #54AC68 ΔE 0.028
- Seaweed Green #35AD6B ΔE 0.032
- Dark Seafoam Green #3EAF76 ΔE 0.033
- Off Green #6BA353 ΔE 0.034
- Flat Green #699D4C ΔE 0.036
- Dull Green #74A662 ΔE 0.038
Use #51A36A 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.