#4FAF2B
Closest named color: Grass (#5CAC2D). oklch(67% 0.189 138.8), rgb(79, 175, 43).
Aa
Black text reads best on this color (7.49:1).
About this color
#4FAF2B is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.189 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass (#5CAC2D), ΔE 0.014 away. Black text reads best on it, at 7.49:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.189) |
| Temperature | in between |
| Nearest name | Grass (#5CAC2D) |
| Black text | 7.49:1 |
| White text | 2.80:1 |
Values
| HEX | #4FAF2B |
| RGB | rgb(79, 175, 43) |
| HSL | hsl(104, 61%, 43%) |
| OKLCH | oklch(67% 0.189 138.8) |
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 #4FAF2B | 2.80:1 | Fails | Lc -58.8 | Large or bold text, headings |
| Black text on #4FAF2B | 7.49:1 | AAA | Lc 50.5 | Large or bold text, headings |
| #4FAF2B text on white | 2.80:1 | Fails | Lc 53.5 | Large or bold text, headings |
| #4FAF2B text on black | 7.49:1 | AAA | Lc -48.3 | 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
#DFF0DA
oklch(93.7% 0.034 138.6)
-
Step 200
200
#C4E4BB
oklch(88.5% 0.065 138.8)
-
Step 300
300
#99D388
oklch(80.9% 0.118 138.7)
-
Step 400
400 (this color)
#4FAF2B
oklch(67% 0.189 138.8)
-
Step 500
500
#3CA300
oklch(63% 0.198 138.8)
-
Step 600
600
#318900
oklch(55.5% 0.174 138.8)
-
Step 700
700
#287400
oklch(49.2% 0.155 138.8)
-
Step 800
800
#1F5F00
oklch(42.7% 0.134 138.9)
-
Step 900
900
#194F00
oklch(37.7% 0.118 138.8)
-
Step 950
950
#0C2F00
oklch(26.9% 0.084 138.6)
#4FAF2B 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) | #B49F0E | 0.123 |
| Deuteranopia (no green cones) | #A89739 | 0.124 |
| Tritanopia (no blue cones) | #46A996 | 0.130 |
| Achromatopsia (no color) | #9A9A9A | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FAF2B
#4FAF2B
oklch(67% 0.189 138.8)
- #C569DE
#C569DE
oklch(67.1% 0.188 318.7)
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 #4FAF2B, closest first.
No curated palette has a color within ΔE 0.04 of #4FAF2B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass #5CAC2D ΔE 0.014
- Leaf Green #5CA904 ΔE 0.019
- Leafy Green #51B73B ΔE 0.024
- Medium Green #39AD48 ΔE 0.027
- Shamrock #01B44C ΔE 0.033
- Kelly Green #02AB2E ΔE 0.036
- Leaf #71AA34 ΔE 0.036
- Mid Green #50A747 ΔE 0.037
Use #4FAF2B 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.