#575603
Closest named color: Olive Brown (#645403). oklch(44% 0.094 108.9), rgb(87, 86, 3).
Aa
White text reads best on this color (7.67:1).
About this color
#575603 is a dark, moderately saturated brown. In OKLCH its lightness is 44%, its chroma 0.094 and its hue 109°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.023 away. White text reads best on it, at 7.67:1.
| Hue family | Browns |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.094) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.73:1 |
| White text | 7.67:1 |
Values
| HEX | #575603 |
| RGB | rgb(87, 86, 3) |
| HSL | hsl(59, 93%, 18%) |
| OKLCH | oklch(44% 0.094 108.9) |
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 #575603 | 7.67:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #575603 | 2.73:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #575603 text on white | 7.67:1 | AAA | Lc 86.5 | Fine for body text |
| #575603 text on black | 2.73:1 | Fails | Lc -15.6 | Dividers and decoration only |
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
#F6F6F0
oklch(97.1% 0.008 106.5)
-
Step 100
100
#EAEBDF
oklch(93.6% 0.016 110.6)
-
Step 200
200
#DADBC4
oklch(88.4% 0.031 109)
-
Step 300
300
#C3C49B
oklch(80.9% 0.055 108.7)
-
Step 400
400
#A5A563
oklch(70.7% 0.088 108.4)
-
Step 500
500
#8F8F34
oklch(63.2% 0.113 109.2)
-
Step 600
600
#7A7800
oklch(55.6% 0.12 108.6)
-
Step 700
700
#666500
oklch(49.1% 0.107 109.1)
-
Step 800
800 (this color)
#575603
oklch(44% 0.094 108.9)
-
Step 900
900
#45440D
oklch(37.6% 0.073 108.4)
-
Step 950
950
#28280A
oklch(26.9% 0.047 109.2)
#575603 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) | #5E5200 | 0.016 |
| Deuteranopia (no green cones) | #5F540C | 0.016 |
| Tritanopia (no blue cones) | #5E5048 | 0.084 |
| Achromatopsia (no color) | #535353 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #575603
#575603
oklch(44% 0.094 108.9)
- #514883
#514883
oklch(43.9% 0.095 288.9)
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 #575603, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.023
- Army Green #4B5D16 ΔE 0.025
- Green Brown #544E03 ΔE 0.025
- Camouflage Green #4B6113 ΔE 0.034
- Camo Green #526525 ΔE 0.044
- Greeny Brown #696006 ΔE 0.044
- Mud Green #606602 ΔE 0.052
- Mud Brown #60460F ΔE 0.052
Use #575603 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.