#439D37
Closest named color: Grass Green (#3F9B0B). oklch(61.9% 0.164 141.4), rgb(67, 157, 55).
Aa
Black text reads best on this color (6.11:1).
About this color
#439D37 is a medium-dark, vivid green. In OKLCH its lightness is 62%, its chroma 0.164 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass Green (#3F9B0B), ΔE 0.026 away. Black text reads best on it, at 6.11:1.
| Hue family | Greens |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.164) |
| Temperature | in between |
| Nearest name | Grass Green (#3F9B0B) |
| Black text | 6.11:1 |
| White text | 3.43:1 |
Values
| HEX | #439D37 |
| RGB | rgb(67, 157, 55) |
| HSL | hsl(113, 48%, 42%) |
| OKLCH | oklch(61.9% 0.164 141.4) |
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 #439D37 | 3.43:1 | AA large text | Lc -67.0 | Content text, not long reading |
| Black text on #439D37 | 6.11:1 | AA | Lc 42.5 | Non-text elements, placeholder text |
| #439D37 text on white | 3.43:1 | AA large text | Lc 61.5 | Content text, not long reading |
| #439D37 text on black | 6.11:1 | AA | Lc -40.2 | 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
#E2EEE0
oklch(93.6% 0.023 141.2)
-
Step 200
200
#C9E1C6
oklch(88.5% 0.045 142.1)
-
Step 300
300
#A4CE9E
oklch(80.9% 0.08 141.5)
-
Step 400
400
#71B467
oklch(70.6% 0.128 141.2)
-
Step 500
500 (this color)
#439D37
oklch(61.9% 0.164 141.4)
-
Step 600
600
#218B0E
oklch(55.6% 0.178 141.3)
-
Step 700
700
#137500
oklch(49% 0.163 141.4)
-
Step 800
800
#136006
oklch(42.7% 0.137 141.4)
-
Step 900
900
#194F12
oklch(37.8% 0.107 141.5)
-
Step 950
950
#112E0D
oklch(27% 0.067 141.3)
#439D37 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) | #A18F2B | 0.115 |
| Deuteranopia (no green cones) | #958840 | 0.113 |
| Tritanopia (no blue cones) | #379888 | 0.108 |
| Achromatopsia (no color) | #8A8A8A | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #439D37
#439D37
oklch(61.9% 0.164 141.4)
- #B260C0
#B260C0
oklch(62% 0.163 321.6)
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 #439D37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass Green #3F9B0B ΔE 0.026
- Grassy Green #419C03 ΔE 0.027
- Mid Green #50A747 ΔE 0.034
- Muted Green #5FA052 ΔE 0.042
- Irish Green #019529 ΔE 0.042
- Medium Green #39AD48 ΔE 0.044
- Kelley Green #009337 ΔE 0.045
- Flat Green #699D4C ΔE 0.046
Use #439D37 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.