#4F9731
Closest named color: Grass Green (#3F9B0B). oklch(60.8% 0.155 137.9), rgb(79, 151, 49).
Aa
Black text reads best on this color (5.80:1).
About this color
#4F9731 is a medium-dark, vivid green. In OKLCH its lightness is 61%, its chroma 0.155 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass Green (#3F9B0B), ΔE 0.031 away. Black text reads best on it, at 5.80:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Grass Green (#3F9B0B) |
| Black text | 5.80:1 |
| White text | 3.61:1 |
Values
| HEX | #4F9731 |
| RGB | rgb(79, 151, 49) |
| HSL | hsl(102, 51%, 39%) |
| OKLCH | oklch(60.8% 0.155 137.9) |
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 #4F9731 | 3.61:1 | AA large text | Lc -69.0 | Content text, not long reading |
| Black text on #4F9731 | 5.80:1 | AA | Lc 40.6 | Non-text elements, placeholder text |
| #4F9731 text on white | 3.61:1 | AA large text | Lc 63.5 | Content text, not long reading |
| #4F9731 text on black | 5.80:1 | AA | Lc -38.2 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E3EEE0
oklch(93.7% 0.022 139)
-
Step 200
200
#CCE0C5
oklch(88.4% 0.042 137.5)
-
Step 300
300
#A9CD9D
oklch(81% 0.076 137.9)
-
Step 400
400
#7AB266
oklch(70.6% 0.121 137.9)
-
Step 500
500 (this color)
#4F9731
oklch(60.8% 0.155 137.9)
-
Step 600
600
#398808
oklch(55.5% 0.167 137.8)
-
Step 700
700
#2D7300
oklch(49.1% 0.151 137.9)
-
Step 800
800
#255E03
oklch(42.7% 0.129 137.7)
-
Step 900
900
#234D11
oklch(37.6% 0.1 138)
-
Step 950
950
#152D0C
oklch(26.8% 0.063 138.1)
#4F9731 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) | #9C8A23 | 0.100 |
| Deuteranopia (no green cones) | #92843A | 0.101 |
| Tritanopia (no blue cones) | #4A9282 | 0.107 |
| Achromatopsia (no color) | #868686 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F9731
#4F9731
oklch(60.8% 0.155 137.9)
- #A860BE
#A860BE
oklch(60.7% 0.156 317.9)
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 #4F9731, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass Green #3F9B0B ΔE 0.031
- Grassy Green #419C03 ΔE 0.033
- Sap Green #5C8B15 ΔE 0.034
- Olive Drab #6B8E23 ΔE 0.035
- Mossy Green #638B27 ΔE 0.036
- Fern Green #548D44 ΔE 0.040
- Dark Yellow Green #728F02 ΔE 0.040
- Irish Green #019529 ΔE 0.043
Use #4F9731 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.