Leafy Green #51B73B
Leafy Green is a medium-light, vivid green with hex code #51B73B and RGB rgb(81, 183, 59).
Aa
Black text reads best on this color (8.18:1).
About this color
#51B73B is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.187 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. It is the named color Leafy Green. Black text reads best on it, at 8.18:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.187) |
| Temperature | in between |
| Nearest name | Leafy Green |
| Black text | 8.18:1 |
| White text | 2.56:1 |
Colors that go with Leafy Green
Matches found by rotating Leafy Green around the OKLCH hue wheel, each labelled with the closest name in our list.
Complementary
The opposite hue (180°).
Analogous
Neighbouring hues, 30° either side.
Triadic
Three hues spaced 120° apart.
Color palettes with Leafy Green
Curated color palettes that contain a color within ΔE 0.06 (OKLab) of Leafy Green, closest first.
Similar named colors
The eight named colors closest to Leafy Green, with their ΔE distance.
- Grass #5CAC2D ΔE 0.030
- Frog Green #58BC08 ΔE 0.030
- Shamrock Green #02C14D ΔE 0.034
- Shamrock #01B44C ΔE 0.035
- Medium Green #39AD48 ΔE 0.038
- Cool Green #33B864 ΔE 0.039
- Leaf Green #5CA904 ΔE 0.040
- Turtle Green #75B84F ΔE 0.041
More about Leafy Green
How to make Leafy Green
A starting recipe from common paint colors, found with a spectral paint model (the color mixer’s paint mode). Real pigments vary, so mix a small test batch and adjust.
- 1 part yellow
- 1 part green
Recipe result: #6BB637, a difference of ΔE 0.022 from Leafy Green. That is very close: most people will not see the difference.
Codes for Leafy Green in every format
| HEX | #51B73B |
| RGB | rgb(81, 183, 59) |
| HSL | hsl(109, 51%, 47%) |
| OKLCH | oklch(69.3% 0.187 140.4) |
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 #51B73B | 2.56:1 | Fails | Lc -54.9 | Large or bold text, headings |
| Black text on #51B73B | 8.18:1 | AAA | Lc 54.2 | Large or bold text, headings |
| #51B73B text on white | 2.56:1 | Fails | Lc 49.8 | Large or bold text, headings |
| #51B73B text on black | 8.18:1 | AAA | Lc -52.1 | Large or bold text, headings |
Shades and tints of Leafy Green
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
#F0F8EE
oklch(97% 0.016 139.4)
-
Step 100
100
#DEF0DB
oklch(93.6% 0.034 141.2)
-
Step 200
200
#C3E4BC
oklch(88.4% 0.064 140.2)
-
Step 300
300
#97D38B
oklch(80.8% 0.116 140.3)
-
Step 400
400 (this color)
#51B73B
oklch(69.3% 0.187 140.4)
-
Step 500
500
#2EA500
oklch(63.2% 0.205 140.3)
-
Step 600
600
#258B00
oklch(55.7% 0.181 140.4)
-
Step 700
700
#1D7500
oklch(49.2% 0.16 140.4)
-
Step 800
800
#176000
oklch(42.8% 0.139 140.3)
-
Step 900
900
#115000
oklch(37.7% 0.122 140.4)
-
Step 950
950
#073000
oklch(27% 0.088 140.4)
Leafy Green 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) | #BCA72A | 0.128 |
| Deuteranopia (no green cones) | #AF9E46 | 0.128 |
| Tritanopia (no blue cones) | #45B19E | 0.126 |
| Achromatopsia (no color) | #A2A2A2 | 0.188 |
Use Leafy Green 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.