#40521B
Closest named color: Navy Green (#35530A). oklch(41% 0.082 125.2), rgb(64, 82, 27).
Aa
White text reads best on this color (8.60:1).
About this color
#40521B is a dark, moderately saturated green. In OKLCH its lightness is 41%, its chroma 0.082 and its hue 125°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Navy Green (#35530A), ΔE 0.023 away. White text reads best on it, at 8.60:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.44:1 |
| White text | 8.60:1 |
Values
| HEX | #40521B |
| RGB | rgb(64, 82, 27) |
| HSL | hsl(80, 50%, 21%) |
| OKLCH | oklch(41% 0.082 125.2) |
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 #40521B | 8.60:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #40521B | 2.44:1 | Fails | Lc 14.5 | Not readable |
| #40521B text on white | 8.60:1 | AAA | Lc 89.5 | Fine for body text |
| #40521B text on black | 2.44:1 | Fails | Lc -12.8 | 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
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E7ECE2
oklch(93.7% 0.014 128.6)
-
Step 200
200
#D5DDCA
oklch(88.6% 0.027 125.6)
-
Step 300
300
#B9C7A5
oklch(81% 0.049 125.7)
-
Step 400
400
#95A974
oklch(70.6% 0.077 125.1)
-
Step 500
500
#7B944F
oklch(63.1% 0.099 125.5)
-
Step 600
600
#657E32
oklch(55.6% 0.107 125)
-
Step 700
700
#536A24
oklch(49% 0.1 125.4)
-
Step 800
800 (this color)
#40521B
oklch(41% 0.082 125.2)
-
Step 900
900
#3A4720
oklch(37.6% 0.063 124.5)
-
Step 950
950
#222A13
oklch(27% 0.041 124.8)
#40521B 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) | #574D15 | 0.037 |
| Deuteranopia (no green cones) | #544C1F | 0.037 |
| Tritanopia (no blue cones) | #434E46 | 0.066 |
| Achromatopsia (no color) | #4C4C4C | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40521B
#40521B
oklch(41% 0.082 125.2)
- #553E6E
#553E6E
oklch(41% 0.082 305.1)
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 #40521B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.023
- Green Brown #544E03 ΔE 0.032
- Pine #2B5D34 ΔE 0.040
- Army Green #4B5D16 ΔE 0.041
- Camouflage Green #4B6113 ΔE 0.053
- Spruce #0A5F38 ΔE 0.055
- Forest #0B5509 ΔE 0.056
- Deep Green #02590F ΔE 0.058
Use #40521B 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.