#4FA528
Closest named color: Leaf Green (#5CA904). oklch(64.4% 0.178 138), rgb(79, 165, 40).
Aa
Black text reads best on this color (6.74:1).
About this color
#4FA528 is a medium-light, vivid green. In OKLCH its lightness is 64%, its chroma 0.178 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 0.022 away. Black text reads best on it, at 6.74:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.178) |
| Temperature | in between |
| Nearest name | Leaf Green (#5CA904) |
| Black text | 6.74:1 |
| White text | 3.11:1 |
Values
| HEX | #4FA528 |
| RGB | rgb(79, 165, 40) |
| HSL | hsl(101, 61%, 40%) |
| OKLCH | oklch(64.4% 0.178 138) |
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 #4FA528 | 3.11:1 | AA large text | Lc -63.2 | Content text, not long reading |
| Black text on #4FA528 | 6.74:1 | AA | Lc 46.3 | Large or bold text, headings |
| #4FA528 text on white | 3.11:1 | AA large text | Lc 57.8 | Large or bold text, headings |
| #4FA528 text on black | 6.74:1 | AA | Lc -43.9 | Non-text elements, placeholder text |
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
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E2EEDE
oklch(93.6% 0.025 137.8)
-
Step 200
200
#CAE1C2
oklch(88.4% 0.048 137.6)
-
Step 300
300
#A5CE97
oklch(80.8% 0.087 137.8)
-
Step 400
400
#73B55B
oklch(70.8% 0.14 137.9)
-
Step 500
500 (this color)
#4FA528
oklch(64.4% 0.178 138)
-
Step 600
600
#368900
oklch(55.6% 0.172 138)
-
Step 700
700
#2C7300
oklch(49.1% 0.152 138.1)
-
Step 800
800
#235E00
oklch(42.6% 0.131 138)
-
Step 900
900
#1C4F00
oklch(37.8% 0.117 138)
-
Step 950
950
#122E06
oklch(26.9% 0.073 137.9)
#4FA528 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) | #AA960D | 0.114 |
| Deuteranopia (no green cones) | #9F8F35 | 0.115 |
| Tritanopia (no blue cones) | #489F8D | 0.124 |
| Achromatopsia (no color) | #929292 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FA528
#4FA528
oklch(64.4% 0.178 138)
- #B964D2
#B964D2
oklch(64.4% 0.178 318.1)
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 #4FA528, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leaf Green #5CA904 ΔE 0.022
- Grass #5CAC2D ΔE 0.025
- Mid Green #50A747 ΔE 0.025
- Medium Green #39AD48 ΔE 0.028
- Grassy Green #419C03 ΔE 0.033
- Kelly Green #02AB2E ΔE 0.034
- Grass Green #3F9B0B ΔE 0.035
- Leaf #71AA34 ΔE 0.040
Use #4FA528 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.