#4F9D33
Closest named color: Grass Green (#3F9B0B). oklch(62.4% 0.161 138.6), rgb(79, 157, 51).
Aa
Black text reads best on this color (6.20:1).
About this color
#4F9D33 is a medium-light, vivid green. In OKLCH its lightness is 62%, its chroma 0.161 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass Green (#3F9B0B), ΔE 0.028 away. Black text reads best on it, at 6.20:1.
| Hue family | Greens |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.161) |
| Temperature | in between |
| Nearest name | Grass Green (#3F9B0B) |
| Black text | 6.20:1 |
| White text | 3.38:1 |
Values
| HEX | #4F9D33 |
| RGB | rgb(79, 157, 51) |
| HSL | hsl(104, 51%, 41%) |
| OKLCH | oklch(62.4% 0.161 138.6) |
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 #4F9D33 | 3.38:1 | AA large text | Lc -66.5 | Content text, not long reading |
| Black text on #4F9D33 | 6.20:1 | AA | Lc 43.0 | Non-text elements, placeholder text |
| #4F9D33 text on white | 3.38:1 | AA large text | Lc 61.1 | Content text, not long reading |
| #4F9D33 text on black | 6.20:1 | AA | Lc -40.6 | 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
#E3EEDF
oklch(93.7% 0.023 137.2)
-
Step 200
200
#CBE1C5
oklch(88.6% 0.044 139)
-
Step 300
300
#A7CD9C
oklch(80.8% 0.079 138.7)
-
Step 400
400
#77B364
oklch(70.6% 0.126 138.5)
-
Step 500
500 (this color)
#4F9D33
oklch(62.4% 0.161 138.6)
-
Step 600
600
#338900
oklch(55.5% 0.173 138.5)
-
Step 700
700
#297300
oklch(48.9% 0.153 138.6)
-
Step 800
800
#205F00
oklch(42.8% 0.134 138.7)
-
Step 900
900
#204E0E
oklch(37.7% 0.105 138.6)
-
Step 950
950
#142E0B
oklch(27.1% 0.067 138.6)
#4F9D33 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) | #A29025 | 0.106 |
| Deuteranopia (no green cones) | #97893C | 0.105 |
| Tritanopia (no blue cones) | #499887 | 0.110 |
| Achromatopsia (no color) | #8B8B8B | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F9D33
#4F9D33
oklch(62.4% 0.161 138.6)
- #AF63C4
#AF63C4
oklch(62.3% 0.161 318.6)
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 #4F9D33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass Green #3F9B0B ΔE 0.028
- Grassy Green #419C03 ΔE 0.029
- Mid Green #50A747 ΔE 0.030
- Muted Green #5FA052 ΔE 0.037
- Flat Green #699D4C ΔE 0.040
- Medium Green #39AD48 ΔE 0.044
- Olive Drab #6B8E23 ΔE 0.046
- Leaf Green #5CA904 ΔE 0.047
Use #4F9D33 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.