#5A5B18
Closest named color: Olive Brown (#645403). oklch(45.6% 0.087 110.2), rgb(90, 91, 24).
Aa
White text reads best on this color (7.13:1).
About this color
#5A5B18 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 46%, its chroma 0.087 and its hue 110°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.024 away. White text reads best on it, at 7.13:1.
| Hue family | Browns |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.94:1 |
| White text | 7.13:1 |
Values
| HEX | #5A5B18 |
| RGB | rgb(90, 91, 24) |
| HSL | hsl(61, 58%, 23%) |
| OKLCH | oklch(45.6% 0.087 110.2) |
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 #5A5B18 | 7.13:1 | AAA | Lc -89.6 | Fine for body text |
| Black text on #5A5B18 | 2.94:1 | Fails | Lc 19.4 | Dividers and decoration only |
| #5A5B18 text on white | 7.13:1 | AAA | Lc 84.7 | Fine for body text |
| #5A5B18 text on black | 2.94:1 | Fails | Lc -17.3 | 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
#EAEBE0
oklch(93.6% 0.015 110.9)
-
Step 200
200
#DADBC6
oklch(88.5% 0.028 109.2)
-
Step 300
300
#C2C49E
oklch(80.9% 0.051 110)
-
Step 400
400
#A3A569
oklch(70.6% 0.081 109.9)
-
Step 500
500
#8D8F3E
oklch(63.1% 0.104 110.3)
-
Step 600
600
#777918
oklch(55.7% 0.113 110.8)
-
Step 700
700
#656506
oklch(49.1% 0.105 109.7)
-
Step 800
800 (this color)
#5A5B18
oklch(45.6% 0.087 110.2)
-
Step 900
900
#444515
oklch(37.9% 0.068 110.4)
-
Step 950
950
#28280E
oklch(27% 0.042 108.9)
#5A5B18 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) | #63570D | 0.017 |
| Deuteranopia (no green cones) | #63591D | 0.017 |
| Tritanopia (no blue cones) | #61554E | 0.079 |
| Achromatopsia (no color) | #585858 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A5B18
#5A5B18
oklch(45.6% 0.087 110.2)
- #574E84
#574E84
oklch(45.7% 0.087 290.2)
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 #5A5B18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.024
- Army Green #4B5D16 ΔE 0.024
- Camouflage Green #4B6113 ΔE 0.029
- Camo Green #526525 ΔE 0.029
- Greeny Brown #696006 ΔE 0.031
- Mud Green #606602 ΔE 0.039
- Green Brown #544E03 ΔE 0.041
- Mud #735C12 ΔE 0.042
Use #5A5B18 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.