#42491B
Closest named color: Green Brown (#544E03). oklch(38.8% 0.068 116.9), rgb(66, 73, 27).
Aa
White text reads best on this color (9.54:1).
About this color
#42491B is a dark, muted brown. In OKLCH its lightness is 39%, its chroma 0.068 and its hue 117°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green Brown (#544E03), ΔE 0.038 away. White text reads best on it, at 9.54:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | muted (0.068) |
| Temperature | in between |
| Nearest name | Green Brown (#544E03) |
| Black text | 2.20:1 |
| White text | 9.54:1 |
Values
| HEX | #42491B |
| RGB | rgb(66, 73, 27) |
| HSL | hsl(69, 46%, 20%) |
| OKLCH | oklch(38.8% 0.068 116.9) |
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 #42491B | 9.54:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #42491B | 2.20:1 | Fails | Lc 11.9 | Not readable |
| #42491B text on white | 9.54:1 | AAA | Lc 92.0 | Preferred for body text |
| #42491B text on black | 2.20:1 | Fails | Lc -10.4 | 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 900.
-
Step 50
50
#F5F6F1
oklch(97.1% 0.007 115.7)
-
Step 100
100
#E9EBE0
oklch(93.6% 0.015 115)
-
Step 200
200
#D7DCC7
oklch(88.5% 0.029 117.9)
-
Step 300
300
#BEC5A0
oklch(80.8% 0.051 116.3)
-
Step 400
400
#9DA86C
oklch(70.8% 0.082 117)
-
Step 500
500
#859143
oklch(63% 0.104 116.7)
-
Step 600
600
#6F7B21
oklch(55.5% 0.113 116.8)
-
Step 700
700
#5D6812
oklch(49.2% 0.106 117)
-
Step 800
800
#4C5513
oklch(42.8% 0.088 117.1)
-
Step 900
900 (this color)
#42491B
oklch(38.8% 0.068 116.9)
-
Step 950
950
#25290F
oklch(27% 0.043 116.6)
#42491B 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) | #4E4516 | 0.022 |
| Deuteranopia (no green cones) | #4D461E | 0.021 |
| Tritanopia (no blue cones) | #46453F | 0.059 |
| Achromatopsia (no color) | #454545 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42491B
#42491B
oklch(38.8% 0.068 116.9)
- #483C64
#483C64
oklch(38.7% 0.068 296.9)
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 #42491B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Brown #544E03 ΔE 0.038
- Navy Green #35530A ΔE 0.043
- Dark Olive #373E02 ΔE 0.044
- Mud Brown #60460F ΔE 0.051
- Pine Green #0A481E ΔE 0.061
- Pine #2B5D34 ΔE 0.063
- Evergreen #05472A ΔE 0.064
- Forrest Green #154406 ΔE 0.067
Use #42491B 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.