#56570B
Closest named color: Army Green (#4B5D16). oklch(44.2% 0.092 110.4), rgb(86, 87, 11).
Aa
White text reads best on this color (7.59:1).
About this color
#56570B is a dark, moderately saturated brown. In OKLCH its lightness is 44%, its chroma 0.092 and its hue 110°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Army Green (#4B5D16), ΔE 0.022 away. White text reads best on it, at 7.59:1.
| Hue family | Browns |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.092) |
| Temperature | in between |
| Nearest name | Army Green (#4B5D16) |
| Black text | 2.76:1 |
| White text | 7.59:1 |
Values
| HEX | #56570B |
| RGB | rgb(86, 87, 11) |
| HSL | hsl(61, 78%, 19%) |
| OKLCH | oklch(44.2% 0.092 110.4) |
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 #56570B | 7.59:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #56570B | 2.76:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #56570B text on white | 7.59:1 | AAA | Lc 86.3 | Fine for body text |
| #56570B text on black | 2.76:1 | Fails | Lc -15.8 | 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
#F5F6F1
oklch(97.1% 0.007 115.7)
-
Step 100
100
#EAEBDF
oklch(93.6% 0.016 110.6)
-
Step 200
200
#DADBC5
oklch(88.5% 0.03 109.1)
-
Step 300
300
#C2C49D
oklch(80.9% 0.053 109.9)
-
Step 400
400
#A3A666
oklch(70.8% 0.086 110.7)
-
Step 500
500
#8D8F39
oklch(63.1% 0.109 110.4)
-
Step 600
600
#787909
oklch(55.7% 0.119 110.3)
-
Step 700
700
#646500
oklch(49% 0.107 110.5)
-
Step 800
800 (this color)
#56570B
oklch(44.2% 0.092 110.4)
-
Step 900
900
#444511
oklch(37.8% 0.071 110.5)
-
Step 950
950
#28280C
oklch(27% 0.044 109)
#56570B 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) | #5F5300 | 0.017 |
| Deuteranopia (no green cones) | #5F5512 | 0.018 |
| Tritanopia (no blue cones) | #5D5149 | 0.081 |
| Achromatopsia (no color) | #545454 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #56570B
#56570B
oklch(44.2% 0.092 110.4)
- #534982
#534982
oklch(44.2% 0.092 290.2)
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 #56570B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Army Green #4B5D16 ΔE 0.022
- Olive Brown #645403 ΔE 0.024
- Green Brown #544E03 ΔE 0.027
- Camouflage Green #4B6113 ΔE 0.032
- Camo Green #526525 ΔE 0.041
- Greeny Brown #696006 ΔE 0.043
- Mud Green #606602 ΔE 0.050
- Navy Green #35530A ΔE 0.052
Use #56570B 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.