#4F9917
Closest named color: Grass Green (#3F9B0B). oklch(61.1% 0.172 135.8), rgb(79, 153, 23).
Aa
Black text reads best on this color (5.90:1).
About this color
#4F9917 is a medium-dark, vivid green. In OKLCH its lightness is 61%, its chroma 0.172 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass Green (#3F9B0B), ΔE 0.016 away. Black text reads best on it, at 5.90:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.172) |
| Temperature | in between |
| Nearest name | Grass Green (#3F9B0B) |
| Black text | 5.90:1 |
| White text | 3.55:1 |
Values
| HEX | #4F9917 |
| RGB | rgb(79, 153, 23) |
| HSL | hsl(94, 74%, 35%) |
| OKLCH | oklch(61.1% 0.172 135.8) |
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 #4F9917 | 3.55:1 | AA large text | Lc -68.3 | Content text, not long reading |
| Black text on #4F9917 | 5.90:1 | AA | Lc 41.2 | Non-text elements, placeholder text |
| #4F9917 text on white | 3.55:1 | AA large text | Lc 62.8 | Content text, not long reading |
| #4F9917 text on black | 5.90:1 | AA | Lc -38.8 | 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
#E3EEDE
oklch(93.6% 0.024 135.7)
-
Step 200
200
#CCE1C2
oklch(88.6% 0.047 135.5)
-
Step 300
300
#A9CD97
oklch(80.8% 0.083 135.4)
-
Step 400
400
#79B35B
oklch(70.6% 0.134 135.9)
-
Step 500
500 (this color)
#4F9917
oklch(61.1% 0.172 135.8)
-
Step 600
600
#418700
oklch(55.5% 0.165 135.8)
-
Step 700
700
#367200
oklch(49.2% 0.146 135.8)
-
Step 800
800
#2B5D00
oklch(42.6% 0.126 135.7)
-
Step 900
900
#234E00
oklch(37.8% 0.112 135.7)
-
Step 950
950
#152E06
oklch(27.1% 0.071 136)
#4F9917 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) | #9F8C00 | 0.105 |
| Deuteranopia (no green cones) | #958628 | 0.104 |
| Tritanopia (no blue cones) | #4C9382 | 0.124 |
| Achromatopsia (no color) | #888888 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F9917
#4F9917
oklch(61.1% 0.172 135.8)
- #AA5DC8
#AA5DC8
oklch(61.1% 0.172 315.7)
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 #4F9917, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass Green #3F9B0B ΔE 0.016
- Grassy Green #419C03 ΔE 0.017
- Sap Green #5C8B15 ΔE 0.041
- Irish Green #019529 ΔE 0.042
- Dark Yellow Green #728F02 ΔE 0.044
- Olive Drab #6B8E23 ΔE 0.044
- True Green #089404 ΔE 0.045
- Mid Green #50A747 ΔE 0.047
Use #4F9917 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.