#439B1D
Closest named color: Grass Green (#3F9B0B). oklch(61.2% 0.178 138.5), rgb(67, 155, 29).
Aa
Black text reads best on this color (5.94:1).
About this color
#439B1D is a medium-dark, vivid green. In OKLCH its lightness is 61%, its chroma 0.178 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 0.008 away. Black text reads best on it, at 5.94:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.178) |
| Temperature | in between |
| Nearest name | Grass Green (#3F9B0B) |
| Black text | 5.94:1 |
| White text | 3.53:1 |
Values
| HEX | #439B1D |
| RGB | rgb(67, 155, 29) |
| HSL | hsl(102, 68%, 36%) |
| OKLCH | oklch(61.2% 0.178 138.5) |
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 #439B1D | 3.53:1 | AA large text | Lc -68.0 | Content text, not long reading |
| Black text on #439B1D | 5.94:1 | AA | Lc 41.5 | Non-text elements, placeholder text |
| #439B1D text on white | 3.53:1 | AA large text | Lc 62.5 | Content text, not long reading |
| #439B1D text on black | 5.94:1 | AA | Lc -39.2 | 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
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E2EEDE
oklch(93.6% 0.025 137.8)
-
Step 200
200
#CAE1C3
oklch(88.5% 0.047 138.4)
-
Step 300
300
#A5CF98
oklch(81% 0.088 138.4)
-
Step 400
400
#72B55D
oklch(70.8% 0.139 138.6)
-
Step 500
500 (this color)
#439B1D
oklch(61.2% 0.178 138.5)
-
Step 600
600
#338900
oklch(55.5% 0.173 138.5)
-
Step 700
700
#2A7300
oklch(49% 0.153 138.4)
-
Step 800
800
#215F00
oklch(42.8% 0.134 138.5)
-
Step 900
900
#1B4F02
oklch(37.7% 0.116 138.5)
-
Step 950
950
#112E07
oklch(26.9% 0.072 138.8)
#439B1D 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) | #A08D00 | 0.115 |
| Deuteranopia (no green cones) | #95862C | 0.115 |
| Tritanopia (no blue cones) | #3B9584 | 0.123 |
| Achromatopsia (no color) | #888888 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #439B1D
#439B1D
oklch(61.2% 0.178 138.5)
- #AF5AC7
#AF5AC7
oklch(61.2% 0.178 318.4)
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 #439B1D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass Green #3F9B0B ΔE 0.008
- Grassy Green #419C03 ΔE 0.010
- Irish Green #019529 ΔE 0.036
- True Green #089404 ΔE 0.040
- Kelley Green #009337 ΔE 0.044
- Kelly Green #02AB2E ΔE 0.046
- Mid Green #50A747 ΔE 0.046
- Sap Green #5C8B15 ΔE 0.048
Use #439B1D 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.