#4FAD1F
Closest named color: Leaf Green (#5CA904). oklch(66.4% 0.192 137.9), rgb(79, 173, 31).
Aa
Black text reads best on this color (7.32:1).
About this color
#4FAD1F is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.192 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leaf Green (#5CA904), ΔE 0.014 away. Black text reads best on it, at 7.32:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.192) |
| Temperature | in between |
| Nearest name | Leaf Green (#5CA904) |
| Black text | 7.32:1 |
| White text | 2.86:1 |
Values
| HEX | #4FAD1F |
| RGB | rgb(79, 173, 31) |
| HSL | hsl(100, 70%, 40%) |
| OKLCH | oklch(66.4% 0.192 137.9) |
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 #4FAD1F | 2.86:1 | Fails | Lc -59.7 | Large or bold text, headings |
| Black text on #4FAD1F | 7.32:1 | AAA | Lc 49.6 | Large or bold text, headings |
| #4FAD1F text on white | 2.86:1 | Fails | Lc 54.4 | Large or bold text, headings |
| #4FAD1F text on black | 7.32:1 | AAA | Lc -47.4 | 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 500.
-
Step 50
50
#F1F8EF
oklch(97.1% 0.014 138.7)
-
Step 100
100
#E1EFDD
oklch(93.7% 0.028 138.7)
-
Step 200
200
#C9E2C1
oklch(88.6% 0.052 138.1)
-
Step 300
300
#A3CF94
oklch(80.8% 0.093 137.9)
-
Step 400
400
#6FB654
oklch(70.7% 0.151 137.8)
-
Step 500
500 (this color)
#4FAD1F
oklch(66.4% 0.192 137.9)
-
Step 600
600
#378900
oklch(55.7% 0.172 137.9)
-
Step 700
700
#2D7300
oklch(49.1% 0.151 137.9)
-
Step 800
800
#245E00
oklch(42.6% 0.131 137.7)
-
Step 900
900
#1C4F00
oklch(37.8% 0.117 138)
-
Step 950
950
#102F02
oklch(27.1% 0.08 137.6)
#4FAD1F 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) | #B39D00 | 0.124 |
| Deuteranopia (no green cones) | #A79631 | 0.123 |
| Tritanopia (no blue cones) | #47A793 | 0.133 |
| Achromatopsia (no color) | #999999 | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FAD1F
#4FAD1F
oklch(66.4% 0.192 137.9)
- #C366DE
#C366DE
oklch(66.5% 0.192 318.2)
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 #4FAD1F, closest first.
No curated palette has a color within ΔE 0.04 of #4FAD1F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leaf Green #5CA904 ΔE 0.014
- Grass #5CAC2D ΔE 0.016
- Medium Green #39AD48 ΔE 0.030
- Leafy Green #51B73B ΔE 0.030
- Kelly Green #02AB2E ΔE 0.033
- Shamrock #01B44C ΔE 0.037
- Mid Green #50A747 ΔE 0.038
- Leaf #71AA34 ΔE 0.039
Use #4FAD1F 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.