#51BE48
Closest named color: Leafy Green (#51B73B). oklch(71.3% 0.186 142.1), rgb(81, 190, 72).
Aa
Black text reads best on this color (8.80:1).
About this color
#51BE48 is a medium-light, vivid green. In OKLCH its lightness is 71%, its chroma 0.186 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leafy Green (#51B73B), ΔE 0.020 away. Black text reads best on it, at 8.80:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.186) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 8.80:1 |
| White text | 2.38:1 |
Values
| HEX | #51BE48 |
| RGB | rgb(81, 190, 72) |
| HSL | hsl(115, 48%, 51%) |
| OKLCH | oklch(71.3% 0.186 142.1) |
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 #51BE48 | 2.38:1 | Fails | Lc -51.6 | Large or bold text, headings |
| Black text on #51BE48 | 8.80:1 | AAA | Lc 57.4 | Large or bold text, headings |
| #51BE48 text on white | 2.38:1 | Fails | Lc 46.6 | Large or bold text, headings |
| #51BE48 text on black | 8.80:1 | AAA | Lc -55.4 | 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
#F0F8EF
oklch(97.1% 0.015 142.2)
-
Step 100
100
#DEF0DB
oklch(93.6% 0.034 141.2)
-
Step 200
200
#C2E5BD
oklch(88.6% 0.065 141.6)
-
Step 300
300
#94D48E
oklch(80.9% 0.116 142.4)
-
Step 400
400 (this color)
#51BE48
oklch(71.3% 0.186 142.1)
-
Step 500
500
#10A700
oklch(63.2% 0.213 142.1)
-
Step 600
600
#0C8C00
oklch(55.6% 0.187 142.1)
-
Step 700
700
#087600
oklch(49.1% 0.166 142.1)
-
Step 800
800
#056100
oklch(42.8% 0.144 142.1)
-
Step 900
900
#045100
oklch(37.8% 0.127 142.1)
-
Step 950
950
#013000
oklch(26.8% 0.091 142.2)
#51BE48 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) | #C2AE3B | 0.132 |
| Deuteranopia (no green cones) | #B4A452 | 0.132 |
| Tritanopia (no blue cones) | #41B9A5 | 0.120 |
| Achromatopsia (no color) | #A8A8A8 | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51BE48
#51BE48
oklch(71.3% 0.186 142.1)
- #D775E6
#D775E6
oklch(71.3% 0.186 322.2)
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 #51BE48, closest first.
No curated palette has a color within ΔE 0.04 of #51BE48.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.020
- Shamrock Green #02C14D ΔE 0.028
- Frog Green #58BC08 ΔE 0.031
- Turtle Green #75B84F ΔE 0.037
- Algae Green #21C36F ΔE 0.039
- Cool Green #33B864 ΔE 0.040
- Dark Mint #48C072 ΔE 0.043
- Dark Lime Green #7EBD01 ΔE 0.045
Use #51BE48 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.