#51B062
Closest named color: Dark Pastel Green (#56AE57). oklch(68% 0.145 147.5), rgb(81, 176, 98).
Aa
Black text reads best on this color (7.73:1).
About this color
#51B062 is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.145 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Pastel Green (#56AE57), ΔE 0.012 away. Black text reads best on it, at 7.73:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Dark Pastel Green (#56AE57) |
| Black text | 7.73:1 |
| White text | 2.71:1 |
Values
| HEX | #51B062 |
| RGB | rgb(81, 176, 98) |
| HSL | hsl(131, 38%, 50%) |
| OKLCH | oklch(68% 0.145 147.5) |
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 #51B062 | 2.71:1 | Fails | Lc -57.5 | Large or bold text, headings |
| Black text on #51B062 | 7.73:1 | AAA | Lc 51.7 | Large or bold text, headings |
| #51B062 text on white | 2.71:1 | Fails | Lc 52.3 | Large or bold text, headings |
| #51B062 text on black | 7.73:1 | AAA | Lc -49.5 | 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
#F0F8F1
oklch(97.1% 0.013 149.3)
-
Step 100
100
#DFEFE0
oklch(93.6% 0.026 147.1)
-
Step 200
200
#C4E3C7
oklch(88.6% 0.05 147.8)
-
Step 300
300
#99D19F
oklch(80.9% 0.091 147.4)
-
Step 400
400 (this color)
#51B062
oklch(68% 0.145 147.5)
-
Step 500
500
#00A63F
oklch(63.2% 0.185 147.5)
-
Step 600
600
#008B34
oklch(55.5% 0.162 147.6)
-
Step 700
700
#00752A
oklch(49% 0.144 147.5)
-
Step 800
800
#006021
oklch(42.6% 0.125 147.5)
-
Step 900
900
#00501A
oklch(37.6% 0.11 147.5)
-
Step 950
950
#02300E
oklch(27% 0.076 147.6)
#51B062 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) | #B2A25C | 0.116 |
| Deuteranopia (no green cones) | #A59967 | 0.115 |
| Tritanopia (no blue cones) | #3EAD9D | 0.083 |
| Achromatopsia (no color) | #9D9D9D | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51B062
#51B062
oklch(68% 0.145 147.5)
- #C776C6
#C776C6
oklch(68.1% 0.144 327.5)
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 #51B062, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Pastel Green #56AE57 ΔE 0.012
- Algae #54AC68 ΔE 0.016
- Medium Sea Green #3CB371 ΔE 0.019
- Boring Green #63B365 ΔE 0.019
- Seaweed Green #35AD6B ΔE 0.024
- Jade Green #2BAF6A ΔE 0.024
- Fern #63A950 ΔE 0.024
- Cool Green #33B864 ΔE 0.026
Use #51B062 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.