#4FAC38
Closest named color: Grass (#5CAC2D). oklch(66.4% 0.177 140), rgb(79, 172, 56).
Aa
Black text reads best on this color (7.29:1).
About this color
#4FAC38 is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.177 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass (#5CAC2D), ΔE 0.012 away. Black text reads best on it, at 7.29:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.177) |
| Temperature | in between |
| Nearest name | Grass (#5CAC2D) |
| Black text | 7.29:1 |
| White text | 2.88:1 |
Values
| HEX | #4FAC38 |
| RGB | rgb(79, 172, 56) |
| HSL | hsl(108, 51%, 45%) |
| OKLCH | oklch(66.4% 0.177 140) |
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 #4FAC38 | 2.88:1 | Fails | Lc -60.0 | Content text, not long reading |
| Black text on #4FAC38 | 7.29:1 | AAA | Lc 49.3 | Large or bold text, headings |
| #4FAC38 text on white | 2.88:1 | Fails | Lc 54.7 | Large or bold text, headings |
| #4FAC38 text on black | 7.29:1 | AAA | Lc -47.1 | 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
#C9E1C4
oklch(88.4% 0.047 140.3)
-
Step 300
300
#A3CF9A
oklch(80.9% 0.087 140.3)
-
Step 400
400
#6FB560
oklch(70.6% 0.138 140.1)
-
Step 500
500 (this color)
#4FAC38
oklch(66.4% 0.177 140)
-
Step 600
600
#288A00
oklch(55.5% 0.179 140)
-
Step 700
700
#217400
oklch(49% 0.157 139.9)
-
Step 800
800
#196000
oklch(42.8% 0.138 140)
-
Step 900
900
#184F07
oklch(37.7% 0.115 139.9)
-
Step 950
950
#102F08
oklch(27.2% 0.074 139.8)
#4FAC38 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) | #B19D28 | 0.120 |
| Deuteranopia (no green cones) | #A59542 | 0.120 |
| Tritanopia (no blue cones) | #45A694 | 0.119 |
| Achromatopsia (no color) | #989898 | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FAC38
#4FAC38
oklch(66.4% 0.177 140)
- #C16AD5
#C16AD5
oklch(66.3% 0.176 319.9)
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 #4FAC38, closest first.
No curated palette has a color within ΔE 0.04 of #4FAC38.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass #5CAC2D ΔE 0.012
- Medium Green #39AD48 ΔE 0.017
- Leaf Green #5CA904 ΔE 0.022
- Mid Green #50A747 ΔE 0.023
- Dark Pastel Green #56AE57 ΔE 0.031
- Leaf #71AA34 ΔE 0.032
- Leafy Green #51B73B ΔE 0.032
- Shamrock #01B44C ΔE 0.033
Use #4FAC38 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.