#42550B
Closest named color: Navy Green (#35530A). oklch(41.9% 0.097 123.8), rgb(66, 85, 11).
Aa
White text reads best on this color (8.28:1).
About this color
#42550B is a dark, moderately saturated brown. In OKLCH its lightness is 42%, its chroma 0.097 and its hue 124°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Navy Green (#35530A), ΔE 0.020 away. White text reads best on it, at 8.28:1.
| Hue family | Browns |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.53:1 |
| White text | 8.28:1 |
Values
| HEX | #42550B |
| RGB | rgb(66, 85, 11) |
| HSL | hsl(75, 77%, 19%) |
| OKLCH | oklch(41.9% 0.097 123.8) |
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 #42550B | 8.28:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #42550B | 2.53:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #42550B text on white | 8.28:1 | AAA | Lc 88.5 | Fine for body text |
| #42550B text on black | 2.53:1 | 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
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E7ECE0
oklch(93.6% 0.017 125.3)
-
Step 200
200
#D5DDC6
oklch(88.5% 0.032 122.7)
-
Step 300
300
#B9C79F
oklch(80.8% 0.057 123.3)
-
Step 400
400
#95AA6A
oklch(70.6% 0.09 123.5)
-
Step 500
500
#7B9540
oklch(63.1% 0.116 123.9)
-
Step 600
600
#647F1A
oklch(55.6% 0.127 124)
-
Step 700
700
#536B09
oklch(49.1% 0.118 123.9)
-
Step 800
800 (this color)
#42550B
oklch(41.9% 0.097 123.8)
-
Step 900
900
#394816
oklch(37.7% 0.076 124.2)
-
Step 950
950
#222A0E
oklch(27% 0.047 122.9)
#42550B 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) | #5A4F00 | 0.040 |
| Deuteranopia (no green cones) | #584E13 | 0.042 |
| Tritanopia (no blue cones) | #465048 | 0.082 |
| Achromatopsia (no color) | #4E4E4E | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42550B
#42550B
oklch(41.9% 0.097 123.8)
- #583E77
#583E77
oklch(41.9% 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 #42550B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.020
- Army Green #4B5D16 ΔE 0.030
- Green Brown #544E03 ΔE 0.033
- Camouflage Green #4B6113 ΔE 0.041
- Pine #2B5D34 ΔE 0.042
- Forest #0B5509 ΔE 0.053
- Deep Green #02590F ΔE 0.053
- Olive Brown #645403 ΔE 0.055
Use #42550B 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.