#4B9301
Closest named color: Grass Green (#3F9B0B). oklch(59.3% 0.173 135.1), rgb(75, 147, 1).
Aa
Black text reads best on this color (5.47:1).
About this color
#4B9301 is a medium-dark, vivid green. In OKLCH its lightness is 59%, its chroma 0.173 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass Green (#3F9B0B), ΔE 0.023 away. Black text reads best on it, at 5.47:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.173) |
| Temperature | in between |
| Nearest name | Grass Green (#3F9B0B) |
| Black text | 5.47:1 |
| White text | 3.83:1 |
Values
| HEX | #4B9301 |
| RGB | rgb(75, 147, 1) |
| HSL | hsl(90, 99%, 29%) |
| OKLCH | oklch(59.3% 0.173 135.1) |
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 #4B9301 | 3.83:1 | AA large text | Lc -71.0 | Content text, not long reading |
| Black text on #4B9301 | 5.47:1 | AA | Lc 38.6 | Non-text elements, placeholder text |
| #4B9301 text on white | 3.83:1 | AA large text | Lc 65.5 | Content text, not long reading |
| #4B9301 text on black | 5.47:1 | AA | Lc -36.2 | 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 600.
-
Step 50
50
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E3EEDF
oklch(93.7% 0.023 137.2)
-
Step 200
200
#CDE0C4
oklch(88.5% 0.043 135.5)
-
Step 300
300
#ABCC9A
oklch(80.8% 0.077 135.1)
-
Step 400
400
#7EB260
oklch(70.8% 0.125 135)
-
Step 500
500
#5C9E2D
oklch(63.2% 0.16 135)
-
Step 600
600 (this color)
#4B9301
oklch(59.3% 0.173 135.1)
-
Step 700
700
#387100
oklch(49% 0.143 135.1)
-
Step 800
800
#2D5D00
oklch(42.7% 0.125 135.1)
-
Step 900
900
#274D08
oklch(37.7% 0.104 135)
-
Step 950
950
#172D08
oklch(26.9% 0.066 135)
#4B9301 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) | #998600 | 0.105 |
| Deuteranopia (no green cones) | #90801D | 0.104 |
| Tritanopia (no blue cones) | #498D7C | 0.126 |
| Achromatopsia (no color) | #828282 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B9301
#4B9301
oklch(59.3% 0.173 135.1)
- #A457C3
#A457C3
oklch(59.2% 0.174 315.3)
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 #4B9301, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass Green #3F9B0B ΔE 0.023
- Grassy Green #419C03 ΔE 0.026
- Sap Green #5C8B15 ΔE 0.030
- Irish Green #019529 ΔE 0.034
- True Green #089404 ΔE 0.035
- Kelley Green #009337 ΔE 0.040
- Emerald Green #028F1E ΔE 0.040
- Mossy Green #638B27 ΔE 0.042
Use #4B9301 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.