#51A032
Closest named color: Mid Green (#50A747). oklch(63.2% 0.165 138.2), rgb(81, 160, 50).
Aa
Black text reads best on this color (6.42:1).
About this color
#51A032 is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.165 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mid Green (#50A747), ΔE 0.024 away. Black text reads best on it, at 6.42:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.165) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.42:1 |
| White text | 3.26:1 |
Values
| HEX | #51A032 |
| RGB | rgb(81, 160, 50) |
| HSL | hsl(103, 52%, 41%) |
| OKLCH | oklch(63.2% 0.165 138.2) |
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 #51A032 | 3.26:1 | AA large text | Lc -65.2 | Content text, not long reading |
| Black text on #51A032 | 6.42:1 | AA | Lc 44.3 | Non-text elements, placeholder text |
| #51A032 text on white | 3.26:1 | AA large text | Lc 59.7 | Large or bold text, headings |
| #51A032 text on black | 6.42:1 | AA | Lc -42.0 | 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
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E2EEDF
oklch(93.6% 0.024 139.4)
-
Step 200
200
#CBE1C4
oklch(88.6% 0.046 138.1)
-
Step 300
300
#A7CE9B
oklch(81% 0.081 138.4)
-
Step 400
400
#77B362
oklch(70.6% 0.128 138)
-
Step 500
500 (this color)
#51A032
oklch(63.2% 0.165 138.2)
-
Step 600
600
#358900
oklch(55.6% 0.173 138.2)
-
Step 700
700
#2B7300
oklch(49% 0.152 138.2)
-
Step 800
800
#225F00
oklch(42.8% 0.133 138.3)
-
Step 900
900
#204E0B
oklch(37.7% 0.107 138.2)
-
Step 950
950
#142E0A
oklch(27.1% 0.068 138.2)
#51A032 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) | #A59222 | 0.107 |
| Deuteranopia (no green cones) | #9B8C3C | 0.108 |
| Tritanopia (no blue cones) | #4B9B8A | 0.113 |
| Achromatopsia (no color) | #8E8E8E | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51A032
#51A032
oklch(63.2% 0.165 138.2)
- #B265C9
#B265C9
oklch(63.2% 0.164 318)
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 #51A032, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.024
- Grassy Green #419C03 ΔE 0.030
- Grass Green #3F9B0B ΔE 0.031
- Medium Green #39AD48 ΔE 0.037
- Muted Green #5FA052 ΔE 0.037
- Leaf Green #5CA904 ΔE 0.038
- Grass #5CAC2D ΔE 0.039
- Flat Green #699D4C ΔE 0.041
Use #51A032 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.