#51C05D
Closest named color: Dark Mint (#48C072). oklch(72.1% 0.171 145.5), rgb(81, 192, 93).
Aa
Black text reads best on this color (9.04:1).
About this color
#51C05D is a medium-light, vivid green. In OKLCH its lightness is 72%, its chroma 0.171 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Mint (#48C072), ΔE 0.024 away. Black text reads best on it, at 9.04:1.
| Hue family | Greens |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.171) |
| Temperature | in between |
| Nearest name | Dark Mint (#48C072) |
| Black text | 9.04:1 |
| White text | 2.32:1 |
Values
| HEX | #51C05D |
| RGB | rgb(81, 192, 93) |
| HSL | hsl(126, 47%, 54%) |
| OKLCH | oklch(72.1% 0.171 145.5) |
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 #51C05D | 2.32:1 | Fails | Lc -50.3 | Large or bold text, headings |
| Black text on #51C05D | 9.04:1 | AAA | Lc 58.5 | Large or bold text, headings |
| #51C05D text on white | 2.32:1 | Fails | Lc 45.4 | Large or bold text, headings |
| #51C05D text on black | 9.04:1 | AAA | Lc -56.6 | 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
#F0F8F0
oklch(97.1% 0.014 145.5)
-
Step 100
100
#DEF0DE
oklch(93.7% 0.031 145.3)
-
Step 200
200
#C1E4C2
oklch(88.4% 0.059 145.8)
-
Step 300
300
#94D396
oklch(80.8% 0.106 145.3)
-
Step 400
400 (this color)
#51C05D
oklch(72.1% 0.171 145.5)
-
Step 500
500
#00A631
oklch(63.1% 0.195 145.5)
-
Step 600
600
#008C28
oklch(55.7% 0.172 145.6)
-
Step 700
700
#007620
oklch(49.2% 0.152 145.5)
-
Step 800
800
#006119
oklch(42.8% 0.133 145.6)
-
Step 900
900
#005113
oklch(37.8% 0.117 145.5)
-
Step 950
950
#003008
oklch(26.9% 0.083 145.6)
#51C05D 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) | #C3B054 | 0.131 |
| Deuteranopia (no green cones) | #B4A664 | 0.130 |
| Tritanopia (no blue cones) | #3BBCA9 | 0.103 |
| Achromatopsia (no color) | #AAAAAA | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51C05D
#51C05D
oklch(72.1% 0.171 145.5)
- #DA7BDE
#DA7BDE
oklch(72.1% 0.171 325.7)
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 #51C05D, closest first.
No curated palette has a color within ΔE 0.04 of #51C05D.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mint #48C072 ΔE 0.024
- Algae Green #21C36F ΔE 0.025
- Dark Mint Green #20C073 ΔE 0.030
- Turtle Green #75B84F ΔE 0.033
- Cool Green #33B864 ΔE 0.033
- Leafy Green #51B73B ΔE 0.035
- Shamrock Green #02C14D ΔE 0.037
- Soft Green #6FC276 ΔE 0.042
Use #51C05D 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.