#43731B
Closest named color: Tree Green (#2A7E19). oklch(50.3% 0.128 134.1), rgb(67, 115, 27).
Aa
White text reads best on this color (5.66:1).
About this color
#43731B is a medium-dark, moderately saturated green. In OKLCH its lightness is 50%, its chroma 0.128 and its hue 134°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.038 away. White text reads best on it, at 5.66:1.
| Hue family | Greens |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 3.70:1 |
| White text | 5.66:1 |
Values
| HEX | #43731B |
| RGB | rgb(67, 115, 27) |
| HSL | hsl(93, 62%, 28%) |
| OKLCH | oklch(50.3% 0.128 134.1) |
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 #43731B | 5.66:1 | AA | Lc -83.4 | Fine for body text |
| Black text on #43731B | 3.70:1 | AA large text | Lc 25.9 | Dividers and decoration only |
| #43731B text on white | 5.66:1 | AA | Lc 78.1 | Fine for body text |
| #43731B text on black | 3.70:1 | AA large text | Lc -23.7 | Dividers and decoration only |
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 700.
-
Step 50
50
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E5EDE1
oklch(93.7% 0.018 134.9)
-
Step 200
200
#D0DFC8
oklch(88.6% 0.035 134.5)
-
Step 300
300
#B0CAA2
oklch(80.9% 0.062 134.7)
-
Step 400
400
#87AE6E
oklch(70.6% 0.099 133.9)
-
Step 500
500
#689A46
oklch(63.1% 0.127 134.2)
-
Step 600
600
#4F8425
oklch(55.6% 0.138 134.2)
-
Step 700
700 (this color)
#43731B
oklch(50.3% 0.128 134.1)
-
Step 800
800
#355B16
oklch(42.7% 0.106 134.1)
-
Step 900
900
#2E4B1A
oklch(37.7% 0.083 134.4)
-
Step 950
950
#1B2C10
oklch(27% 0.053 134.5)
#43731B 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) | #78690A | 0.076 |
| Deuteranopia (no green cones) | #716624 | 0.075 |
| Tritanopia (no blue cones) | #436E62 | 0.095 |
| Achromatopsia (no color) | #676767 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43731B
#43731B
oklch(50.3% 0.128 134.1)
- #7E4A96
#7E4A96
oklch(50.2% 0.128 314.2)
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 #43731B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.038
- Dark Olive Green #556B2F ΔE 0.042
- Dark Grass Green #388004 ΔE 0.044
- Mud Green #606602 ΔE 0.048
- Camo Green #526525 ΔE 0.049
- Jungle Green #048243 ΔE 0.052
- Olive Green #677A04 ΔE 0.053
- Muddy Green #657432 ΔE 0.053
Use #43731B 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.