#40543B
Closest named color: Pine (#2B5D34). oklch(42.2% 0.047 139.4), rgb(64, 84, 59).
Aa
White text reads best on this color (8.23:1).
About this color
#40543B is a dark, muted green. In OKLCH its lightness is 42%, its chroma 0.047 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.041 away. White text reads best on it, at 8.23:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | muted (0.047) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 2.54:1 |
| White text | 8.23:1 |
Values
| HEX | #40543B |
| RGB | rgb(64, 84, 59) |
| HSL | hsl(108, 17%, 28%) |
| OKLCH | oklch(42.2% 0.047 139.4) |
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 #40543B | 8.23:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #40543B | 2.54:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #40543B text on white | 8.23:1 | AAA | Lc 88.4 | Fine for body text |
| #40543B text on black | 2.54:1 | Fails | Lc -13.7 | 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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E7EBE6
oklch(93.6% 0.008 139.4)
-
Step 200
200
#D4DCD2
oklch(88.6% 0.016 139.4)
-
Step 300
300
#B8C5B4
oklch(80.9% 0.027 138.3)
-
Step 400
400
#93A88D
oklch(70.8% 0.045 138.7)
-
Step 500
500
#789271
oklch(63% 0.057 139.1)
-
Step 600
600
#617C5A
oklch(55.5% 0.06 139.3)
-
Step 700
700
#506949
oklch(49.1% 0.058 138.9)
-
Step 800
800 (this color)
#40543B
oklch(42.2% 0.047 139.4)
-
Step 900
900
#374734
oklch(37.8% 0.038 140.6)
-
Step 950
950
#21291E
oklch(26.9% 0.023 137.2)
#40543B 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) | #565039 | 0.034 |
| Deuteranopia (no green cones) | #524E3C | 0.033 |
| Tritanopia (no blue cones) | #3F524D | 0.032 |
| Achromatopsia (no color) | #4F4F4F | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40543B
#40543B
oklch(42.2% 0.047 139.4)
- #59455E
#59455E
oklch(42.1% 0.048 319.5)
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 #40543B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.041
- Dark Slate Gray #2F4F4F ΔE 0.045
- Green Brown #544E03 ΔE 0.055
- Dark Green Blue #1F6357 ΔE 0.055
- Dark Blue Green #005249 ΔE 0.056
- Spruce #0A5F38 ΔE 0.056
- Navy Green #35530A ΔE 0.059
- Army Green #4B5D16 ΔE 0.059
Use #40543B 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.