#4D9937
Closest named color: Grass Green (#3F9B0B). oklch(61.3% 0.154 139.3), rgb(77, 153, 55).
Aa
Black text reads best on this color (5.92:1).
About this color
#4D9937 is a medium-dark, vivid green. In OKLCH its lightness is 61%, its chroma 0.154 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 0.032 away. Black text reads best on it, at 5.92:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Grass Green (#3F9B0B) |
| Black text | 5.92:1 |
| White text | 3.54:1 |
Values
| HEX | #4D9937 |
| RGB | rgb(77, 153, 55) |
| HSL | hsl(107, 47%, 41%) |
| OKLCH | oklch(61.3% 0.154 139.3) |
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 #4D9937 | 3.54:1 | AA large text | Lc -68.2 | Content text, not long reading |
| Black text on #4D9937 | 5.92:1 | AA | Lc 41.3 | Non-text elements, placeholder text |
| #4D9937 text on white | 3.54:1 | AA large text | Lc 62.7 | Content text, not long reading |
| #4D9937 text on black | 5.92:1 | AA | Lc -38.9 | 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
#CBE0C6
oklch(88.4% 0.042 139.7)
-
Step 300
300
#A8CD9E
oklch(80.9% 0.076 139.1)
-
Step 400
400
#78B369
oklch(70.8% 0.12 139.4)
-
Step 500
500 (this color)
#4D9937
oklch(61.3% 0.154 139.3)
-
Step 600
600
#348914
oklch(55.6% 0.167 139.3)
-
Step 700
700
#257401
oklch(49.1% 0.155 139.4)
-
Step 800
800
#215E0A
oklch(42.6% 0.128 139.3)
-
Step 900
900
#214E14
oklch(37.8% 0.101 139.5)
-
Step 950
950
#142E0D
oklch(27.1% 0.065 139.5)
#4D9937 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) | #9D8C2B | 0.102 |
| Deuteranopia (no green cones) | #93863F | 0.102 |
| Tritanopia (no blue cones) | #469484 | 0.104 |
| Achromatopsia (no color) | #888888 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D9937
#4D9937
oklch(61.3% 0.154 139.3)
- #AB62BD
#AB62BD
oklch(61.3% 0.153 319.5)
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 #4D9937, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass Green #3F9B0B ΔE 0.032
- Grassy Green #419C03 ΔE 0.034
- Olive Drab #6B8E23 ΔE 0.039
- Muted Green #5FA052 ΔE 0.039
- Sap Green #5C8B15 ΔE 0.040
- Flat Green #699D4C ΔE 0.041
- Mid Green #50A747 ΔE 0.041
- Mossy Green #638B27 ΔE 0.041
Use #4D9937 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.