#42540D
Closest named color: Navy Green (#35530A). oklch(41.6% 0.095 123.4), rgb(66, 84, 13).
Aa
White text reads best on this color (8.38:1).
About this color
#42540D is a dark, moderately saturated brown. In OKLCH its lightness is 42%, its chroma 0.095 and its hue 123°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Navy Green (#35530A), ΔE 0.019 away. White text reads best on it, at 8.38:1.
| Hue family | Browns |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.095) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.50:1 |
| White text | 8.38:1 |
Values
| HEX | #42540D |
| RGB | rgb(66, 84, 13) |
| HSL | hsl(75, 73%, 19%) |
| OKLCH | oklch(41.6% 0.095 123.4) |
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 #42540D | 8.38:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #42540D | 2.50:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #42540D text on white | 8.38:1 | AAA | Lc 88.8 | Fine for body text |
| #42540D text on black | 2.50:1 | Fails | Lc -13.4 | 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
#E7ECE0
oklch(93.6% 0.017 125.3)
-
Step 200
200
#D5DDC7
oklch(88.5% 0.031 123.3)
-
Step 300
300
#B9C7A0
oklch(80.9% 0.055 123.7)
-
Step 400
400
#96AA6B
oklch(70.7% 0.089 123)
-
Step 500
500
#7C9542
oklch(63.2% 0.114 123.6)
-
Step 600
600
#657F1E
oklch(55.7% 0.124 123.7)
-
Step 700
700
#546B0F
oklch(49.2% 0.115 123.6)
-
Step 800
800 (this color)
#42540D
oklch(41.6% 0.095 123.4)
-
Step 900
900
#3A4817
oklch(37.8% 0.074 123.4)
-
Step 950
950
#222A0F
oklch(27% 0.046 123.2)
#42540D 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) | #594E00 | 0.038 |
| Deuteranopia (no green cones) | #574D14 | 0.041 |
| Tritanopia (no blue cones) | #464F47 | 0.079 |
| Achromatopsia (no color) | #4E4E4E | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42540D
#42540D
oklch(41.6% 0.095 123.4)
- #573D76
#573D76
oklch(41.5% 0.096 303.6)
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 #42540D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.019
- Green Brown #544E03 ΔE 0.031
- Army Green #4B5D16 ΔE 0.032
- Pine #2B5D34 ΔE 0.042
- Camouflage Green #4B6113 ΔE 0.044
- Forest #0B5509 ΔE 0.053
- Deep Green #02590F ΔE 0.054
- Olive Brown #645403 ΔE 0.055
Use #42540D 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.