#4FA128
Closest named color: Grassy Green (#419C03). oklch(63.3% 0.173 137.7), rgb(79, 161, 40).
Aa
Black text reads best on this color (6.46:1).
About this color
#4FA128 is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.173 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grassy Green (#419C03), ΔE 0.025 away. Black text reads best on it, at 6.46:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.173) |
| Temperature | in between |
| Nearest name | Grassy Green (#419C03) |
| Black text | 6.46:1 |
| White text | 3.25:1 |
Values
| HEX | #4FA128 |
| RGB | rgb(79, 161, 40) |
| HSL | hsl(101, 60%, 39%) |
| OKLCH | oklch(63.3% 0.173 137.7) |
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 #4FA128 | 3.25:1 | AA large text | Lc -64.9 | Content text, not long reading |
| Black text on #4FA128 | 6.46:1 | AA | Lc 44.6 | Non-text elements, placeholder text |
| #4FA128 text on white | 3.25:1 | AA large text | Lc 59.5 | Large or bold text, headings |
| #4FA128 text on black | 6.46:1 | AA | Lc -42.2 | 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
#CBE1C3
oklch(88.5% 0.047 137.3)
-
Step 300
300
#A6CE98
oklch(80.9% 0.085 137.7)
-
Step 400
400
#75B45D
oklch(70.7% 0.136 137.7)
-
Step 500
500 (this color)
#4FA128
oklch(63.3% 0.173 137.7)
-
Step 600
600
#388900
oklch(55.7% 0.171 137.7)
-
Step 700
700
#2E7300
oklch(49.1% 0.151 137.7)
-
Step 800
800
#245E00
oklch(42.6% 0.131 137.7)
-
Step 900
900
#1E4E03
oklch(37.6% 0.113 137.7)
-
Step 950
950
#132E07
oklch(27% 0.071 137.7)
#4FA128 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) | #A6930F | 0.110 |
| Deuteranopia (no green cones) | #9C8C34 | 0.112 |
| Tritanopia (no blue cones) | #499B8A | 0.122 |
| Achromatopsia (no color) | #8F8F8F | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FA128
#4FA128
oklch(63.3% 0.173 137.7)
- #B463CD
#B463CD
oklch(63.4% 0.172 317.7)
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 #4FA128, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grassy Green #419C03 ΔE 0.025
- Grass Green #3F9B0B ΔE 0.027
- Mid Green #50A747 ΔE 0.028
- Leaf Green #5CA904 ΔE 0.032
- Grass #5CAC2D ΔE 0.035
- Medium Green #39AD48 ΔE 0.036
- Kelly Green #02AB2E ΔE 0.039
- Muted Green #5FA052 ΔE 0.046
Use #4FA128 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.