#42471B
Closest named color: Dark Olive (#373E02). oklch(38.3% 0.065 114.9), rgb(66, 71, 27).
Aa
White text reads best on this color (9.77:1).
About this color
#42471B is a dark, muted brown. In OKLCH its lightness is 38%, its chroma 0.065 and its hue 115°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.039 away. White text reads best on it, at 9.77:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 2.14:1 |
| White text | 9.77:1 |
Values
| HEX | #42471B |
| RGB | rgb(66, 71, 27) |
| HSL | hsl(67, 45%, 19%) |
| OKLCH | oklch(38.3% 0.065 114.9) |
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 #42471B | 9.77:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #42471B | 2.14:1 | Fails | Lc 11.3 | Not readable |
| #42471B text on white | 9.77:1 | AAA | Lc 92.6 | Preferred for body text |
| #42471B text on black | 2.14:1 | Fails | Lc -9.8 | 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 900.
-
Step 50
50
#F5F6F1
oklch(97.1% 0.007 115.7)
-
Step 100
100
#E9EBE1
oklch(93.6% 0.013 115.8)
-
Step 200
200
#D8DCC8
oklch(88.6% 0.027 116.1)
-
Step 300
300
#BFC5A1
oklch(80.9% 0.049 115.2)
-
Step 400
400
#9FA76E
oklch(70.8% 0.078 114.9)
-
Step 500
500
#889146
oklch(63.3% 0.1 115)
-
Step 600
600
#727A25
oklch(55.6% 0.108 114.6)
-
Step 700
700
#5F6716
oklch(49.1% 0.101 115.2)
-
Step 800
800
#4E5416
oklch(42.7% 0.083 114.7)
-
Step 900
900 (this color)
#42471B
oklch(38.3% 0.065 114.9)
-
Step 950
950
#262910
oklch(27.1% 0.041 114.9)
#42471B 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) | #4C4316 | 0.019 |
| Deuteranopia (no green cones) | #4C441E | 0.020 |
| Tritanopia (no blue cones) | #46433D | 0.056 |
| Achromatopsia (no color) | #444444 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42471B
#42471B
oklch(38.3% 0.065 114.9)
- #463C62
#463C62
oklch(38.4% 0.064 295.3)
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 #42471B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.039
- Green Brown #544E03 ΔE 0.043
- Navy Green #35530A ΔE 0.048
- Mud Brown #60460F ΔE 0.052
- Pine Green #0A481E ΔE 0.061
- Evergreen #05472A ΔE 0.063
- Forrest Green #154406 ΔE 0.066
- Charcoal Grey #3C4142 ΔE 0.067
Use #42471B 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.