#40591E
Closest named color: Army Green (#4B5D16). oklch(43% 0.09 129), rgb(64, 89, 30).
Aa
White text reads best on this color (7.87:1).
About this color
#40591E is a dark, moderately saturated green. In OKLCH its lightness is 43%, its chroma 0.090 and its hue 129°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Army Green (#4B5D16), ΔE 0.022 away. White text reads best on it, at 7.87:1.
| Hue family | Greens |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Army Green (#4B5D16) |
| Black text | 2.66:1 |
| White text | 7.87:1 |
Values
| HEX | #40591E |
| RGB | rgb(64, 89, 30) |
| HSL | hsl(85, 50%, 23%) |
| OKLCH | oklch(43% 0.09 129) |
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 #40591E | 7.87:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #40591E | 2.66:1 | Fails | Lc 16.8 | Dividers and decoration only |
| #40591E text on white | 7.87:1 | AAA | Lc 87.2 | Fine for body text |
| #40591E text on black | 2.66:1 | Fails | Lc -14.9 | Not readable |
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 800.
-
Step 50
50
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E7ECE1
oklch(93.6% 0.016 126.8)
-
Step 200
200
#D3DDC9
oklch(88.4% 0.029 128.8)
-
Step 300
300
#B6C8A4
oklch(80.9% 0.053 129.2)
-
Step 400
400
#90AB72
oklch(70.6% 0.085 129)
-
Step 500
500
#75964D
oklch(63.1% 0.107 129.1)
-
Step 600
600
#5E802E
oklch(55.6% 0.117 128.7)
-
Step 700
700
#4D6C21
oklch(49.1% 0.108 129)
-
Step 800
800 (this color)
#40591E
oklch(43% 0.09 129)
-
Step 900
900
#36491E
oklch(37.8% 0.07 129.1)
-
Step 950
950
#202B12
oklch(27.1% 0.045 128.6)
#40591E 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) | #5D5317 | 0.045 |
| Deuteranopia (no green cones) | #5A5122 | 0.047 |
| Tritanopia (no blue cones) | #42554D | 0.071 |
| Achromatopsia (no color) | #515151 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40591E
#40591E
oklch(43% 0.09 129)
- #5E4175
#5E4175
oklch(43% 0.089 308.8)
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 #40591E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Army Green #4B5D16 ΔE 0.022
- Navy Green #35530A ΔE 0.029
- Pine #2B5D34 ΔE 0.029
- Camouflage Green #4B6113 ΔE 0.033
- Green Brown #544E03 ΔE 0.040
- Spruce #0A5F38 ΔE 0.046
- Camo Green #526525 ΔE 0.047
- Olive Brown #645403 ΔE 0.055
Use #40591E 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.