#4FAC40
Closest named color: Medium Green (#39AD48). oklch(66.4% 0.171 141), rgb(79, 172, 64).
Aa
Black text reads best on this color (7.30:1).
About this color
#4FAC40 is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.171 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Green (#39AD48), ΔE 0.014 away. Black text reads best on it, at 7.30:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.171) |
| Temperature | in between |
| Nearest name | Medium Green (#39AD48) |
| Black text | 7.30:1 |
| White text | 2.87:1 |
Values
| HEX | #4FAC40 |
| RGB | rgb(79, 172, 64) |
| HSL | hsl(112, 46%, 46%) |
| OKLCH | oklch(66.4% 0.171 141) |
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 #4FAC40 | 2.87:1 | Fails | Lc -59.9 | Large or bold text, headings |
| Black text on #4FAC40 | 7.30:1 | AAA | Lc 49.4 | Large or bold text, headings |
| #4FAC40 text on white | 2.87:1 | Fails | Lc 54.6 | Large or bold text, headings |
| #4FAC40 text on black | 7.30:1 | AAA | Lc -47.2 | 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
#F1F7F0
oklch(97% 0.011 141.3)
-
Step 100
100
#E1EEDF
oklch(93.5% 0.024 141.5)
-
Step 200
200
#C9E1C5
oklch(88.4% 0.046 141.2)
-
Step 300
300
#A3CF9C
oklch(81% 0.084 141.2)
-
Step 400
400
#6FB564
oklch(70.7% 0.134 141.1)
-
Step 500
500 (this color)
#4FAC40
oklch(66.4% 0.171 141)
-
Step 600
600
#1E8B00
oklch(55.5% 0.183 141)
-
Step 700
700
#187500
oklch(49.1% 0.161 141)
-
Step 800
800
#126000
oklch(42.7% 0.14 141)
-
Step 900
900
#174F0E
oklch(37.7% 0.111 141.2)
-
Step 950
950
#102E0B
oklch(26.9% 0.069 140.9)
#4FAC40 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) | #B09D34 | 0.118 |
| Deuteranopia (no green cones) | #A49549 | 0.119 |
| Tritanopia (no blue cones) | #44A795 | 0.112 |
| Achromatopsia (no color) | #989898 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FAC40
#4FAC40
oklch(66.4% 0.171 141)
- #C26BD2
#C26BD2
oklch(66.4% 0.172 321.2)
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 #4FAC40, closest first.
No curated palette has a color within ΔE 0.04 of #4FAC40.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Green #39AD48 ΔE 0.014
- Grass #5CAC2D ΔE 0.016
- Mid Green #50A747 ΔE 0.018
- Dark Pastel Green #56AE57 ΔE 0.025
- Leaf Green #5CA904 ΔE 0.028
- Fern #63A950 ΔE 0.029
- Leaf #71AA34 ΔE 0.031
- Shamrock #01B44C ΔE 0.033
Use #4FAC40 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.