#584F18
Closest named color: Green Brown (#544E03). oklch(42.5% 0.074 99.9), rgb(88, 79, 24).
Aa
White text reads best on this color (8.24:1).
About this color
#584F18 is a dark, moderately saturated brown. In OKLCH its lightness is 42%, its chroma 0.074 and its hue 100°. Its hue sits on the warm side of the wheel. The nearest named color is Green Brown (#544E03), ΔE 0.016 away. White text reads best on it, at 8.24:1.
| Hue family | Browns |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.074) |
| Temperature | warm |
| Nearest name | Green Brown (#544E03) |
| Black text | 2.54:1 |
| White text | 8.24:1 |
Values
| HEX | #584F18 |
| RGB | rgb(88, 79, 24) |
| HSL | hsl(52, 57%, 22%) |
| OKLCH | oklch(42.5% 0.074 99.9) |
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 #584F18 | 8.24:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #584F18 | 2.54:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #584F18 text on white | 8.24:1 | AAA | Lc 88.4 | Fine for body text |
| #584F18 text on black | 2.54:1 | Fails | Lc -13.8 | 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 800.
-
Step 50
50
#F6F6F1
oklch(97.2% 0.007 106.5)
-
Step 100
100
#ECEAE1
oklch(93.6% 0.012 96.4)
-
Step 200
200
#DCDAC8
oklch(88.5% 0.024 101.7)
-
Step 300
300
#C7C2A2
oklch(81% 0.044 100)
-
Step 400
400
#AAA26F
oklch(70.7% 0.07 100.4)
-
Step 500
500
#968B48
oklch(63.2% 0.089 100.1)
-
Step 600
600
#817428
oklch(55.6% 0.096 99.5)
-
Step 700
700
#6D611A
oklch(49% 0.09 99.4)
-
Step 800
800 (this color)
#584F18
oklch(42.5% 0.074 99.9)
-
Step 900
900
#49421B
oklch(37.7% 0.058 99.3)
-
Step 950
950
#2B2711
oklch(27.1% 0.037 99.2)
#584F18 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) | #574D11 | 0.007 |
| Deuteranopia (no green cones) | #59501B | 0.004 |
| Tritanopia (no blue cones) | #5F4944 | 0.068 |
| Achromatopsia (no color) | #4F4F4F | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #584F18
#584F18
oklch(42.5% 0.074 99.9)
- #464976
#464976
oklch(42.4% 0.074 279.8)
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 #584F18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Brown #544E03 ΔE 0.016
- Mud Brown #60460F ΔE 0.028
- Olive Brown #645403 ΔE 0.030
- Army Green #4B5D16 ΔE 0.047
- Navy Green #35530A ΔE 0.058
- Camouflage Green #4B6113 ΔE 0.059
- Greeny Brown #696006 ΔE 0.063
- Mud #735C12 ΔE 0.064
Use #584F18 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.