#51C86D
Closest named color: Dark Mint (#48C072). oklch(74.4% 0.168 148.5), rgb(81, 200, 109).
Aa
Black text reads best on this color (9.83:1).
About this color
#51C86D is a medium-light, vivid green. In OKLCH its lightness is 74%, its chroma 0.168 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Mint (#48C072), ΔE 0.027 away. Black text reads best on it, at 9.83:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.168) |
| Temperature | in between |
| Nearest name | Dark Mint (#48C072) |
| Black text | 9.83:1 |
| White text | 2.13:1 |
Values
| HEX | #51C86D |
| RGB | rgb(81, 200, 109) |
| HSL | hsl(134, 52%, 55%) |
| OKLCH | oklch(74.4% 0.168 148.5) |
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 #51C86D | 2.13:1 | Fails | Lc -46.2 | Large or bold text, headings |
| Black text on #51C86D | 9.83:1 | AAA | Lc 62.4 | Content text, not long reading |
| #51C86D text on white | 2.13:1 | Fails | Lc 41.6 | Non-text elements, placeholder text |
| #51C86D text on black | 9.83:1 | AAA | Lc -60.7 | Content text, not long reading |
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
#EFF8F0
oklch(97% 0.014 148.8)
-
Step 100
100
#DDF0DF
oklch(93.6% 0.03 148.4)
-
Step 200
200
#C0E4C4
oklch(88.4% 0.058 148.2)
-
Step 300
300
#90D49B
oklch(81% 0.105 148.7)
-
Step 400
400 (this color)
#51C86D
oklch(74.4% 0.168 148.5)
-
Step 500
500
#00A544
oklch(63% 0.18 148.5)
-
Step 600
600
#008B38
oklch(55.6% 0.159 148.5)
-
Step 700
700
#00752E
oklch(49.1% 0.14 148.5)
-
Step 800
800
#006025
oklch(42.7% 0.121 148.7)
-
Step 900
900
#00501D
oklch(37.6% 0.108 148.5)
-
Step 950
950
#00300E
oklch(27% 0.077 148.3)
#51C86D 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) | #CAB866 | 0.136 |
| Deuteranopia (no green cones) | #BAAD73 | 0.134 |
| Tritanopia (no blue cones) | #32C4B2 | 0.096 |
| Achromatopsia (no color) | #B1B1B1 | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51C86D
#51C86D
oklch(74.4% 0.168 148.5)
- #E482E0
#E482E0
oklch(74.4% 0.167 328.6)
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 #51C86D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mint #48C072 ΔE 0.027
- Seaweed #18D17B ΔE 0.029
- Algae Green #21C36F ΔE 0.029
- Soft Green #6FC276 ΔE 0.033
- Dark Mint Green #20C073 ΔE 0.037
- Greenblue #23C48B ΔE 0.045
- Turtle Green #75B84F ΔE 0.048
- Apple #6ECB3C ΔE 0.049
Use #51C86D 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.