#4B9239
Closest named color: Fern Green (#548D44). oklch(59.3% 0.143 139.7), rgb(75, 146, 57).
Aa
Black text reads best on this color (5.46:1).
About this color
#4B9239 is a medium-dark, vivid green. In OKLCH its lightness is 59%, its chroma 0.143 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.024 away. Black text reads best on it, at 5.46:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.46:1 |
| White text | 3.83:1 |
Values
| HEX | #4B9239 |
| RGB | rgb(75, 146, 57) |
| HSL | hsl(108, 44%, 40%) |
| OKLCH | oklch(59.3% 0.143 139.7) |
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 #4B9239 | 3.83:1 | AA large text | Lc -71.1 | Content text, not long reading |
| Black text on #4B9239 | 5.46:1 | AA | Lc 38.4 | Non-text elements, placeholder text |
| #4B9239 text on white | 3.83:1 | AA large text | Lc 65.6 | Content text, not long reading |
| #4B9239 text on black | 5.46:1 | AA | Lc -36.0 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E4EDE1
oklch(93.6% 0.019 137.8)
-
Step 200
200
#CDDFC9
oklch(88.4% 0.035 140)
-
Step 300
300
#ABCBA4
oklch(80.8% 0.064 140)
-
Step 400
400
#7EB072
oklch(70.6% 0.102 139.6)
-
Step 500
500
#5C9C4C
oklch(63% 0.131 139.6)
-
Step 600
600 (this color)
#4B9239
oklch(59.3% 0.143 139.7)
-
Step 700
700
#31721F
oklch(49.1% 0.134 139.7)
-
Step 800
800
#2A5D1C
oklch(42.8% 0.111 139.6)
-
Step 900
900
#274C1D
oklch(37.7% 0.086 139.4)
-
Step 950
950
#172D12
oklch(27.1% 0.055 139.9)
#4B9239 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) | #96862F | 0.097 |
| Deuteranopia (no green cones) | #8C8040 | 0.096 |
| Tritanopia (no blue cones) | #458D7F | 0.098 |
| Achromatopsia (no color) | #828282 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B9239
#4B9239
oklch(59.3% 0.143 139.7)
- #A35FB3
#A35FB3
oklch(59.4% 0.143 319.8)
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 #4B9239, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.024
- Sap Green #5C8B15 ΔE 0.028
- Mossy Green #638B27 ΔE 0.028
- Light Forest Green #4F9153 ΔE 0.032
- Moss Green #658B38 ΔE 0.032
- Olive Drab #6B8E23 ΔE 0.034
- Kelley Green #009337 ΔE 0.037
- Irish Green #019529 ΔE 0.043
Use #4B9239 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.