#56B21F
Closest named color: Leafy Green (#51B73B). oklch(68% 0.195 137.1), rgb(86, 178, 31).
Aa
Black text reads best on this color (7.78:1).
About this color
#56B21F is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.195 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leafy Green (#51B73B), ΔE 0.018 away. Black text reads best on it, at 7.78:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.195) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 7.78:1 |
| White text | 2.69:1 |
Values
| HEX | #56B21F |
| RGB | rgb(86, 178, 31) |
| HSL | hsl(98, 70%, 41%) |
| OKLCH | oklch(68% 0.195 137.1) |
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 #56B21F | 2.69:1 | Fails | Lc -57.2 | Large or bold text, headings |
| Black text on #56B21F | 7.78:1 | AAA | Lc 52.0 | Large or bold text, headings |
| #56B21F text on white | 2.69:1 | Fails | Lc 52.0 | Large or bold text, headings |
| #56B21F text on black | 7.78:1 | AAA | Lc -49.9 | 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
#F0F8EE
oklch(97% 0.016 139.4)
-
Step 100
100
#DFF0D9
oklch(93.6% 0.035 137.5)
-
Step 200
200
#C5E4B9
oklch(88.5% 0.066 137)
-
Step 300
300
#9BD384
oklch(80.9% 0.121 137)
-
Step 400
400 (this color)
#56B21F
oklch(68% 0.195 137.1)
-
Step 500
500
#48A200
oklch(63.2% 0.192 137)
-
Step 600
600
#3B8800
oklch(55.6% 0.169 137.1)
-
Step 700
700
#317300
oklch(49.3% 0.149 137)
-
Step 800
800
#275E00
oklch(42.7% 0.129 137)
-
Step 900
900
#1F4E00
oklch(37.6% 0.114 137)
-
Step 950
950
#102F00
oklch(27.1% 0.082 137)
#56B21F 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) | #B8A200 | 0.122 |
| Deuteranopia (no green cones) | #AC9B31 | 0.122 |
| Tritanopia (no blue cones) | #50AB98 | 0.138 |
| Achromatopsia (no color) | #9D9D9D | 0.195 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #56B21F
#56B21F
oklch(68% 0.195 137.1)
- #C76BE6
#C76BE6
oklch(68% 0.194 316.9)
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 #56B21F, closest first.
No curated palette has a color within ΔE 0.04 of #56B21F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.018
- Grass #5CAC2D ΔE 0.021
- Leaf Green #5CA904 ΔE 0.024
- Frog Green #58BC08 ΔE 0.031
- Medium Green #39AD48 ΔE 0.039
- Leaf #71AA34 ΔE 0.039
- Shamrock #01B44C ΔE 0.040
- Kelly Green #02AB2E ΔE 0.046
Use #56B21F 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.