#545A37
Closest named color: Army Green (#4B5D16). oklch(45.3% 0.054 116.5), rgb(84, 90, 55).
Aa
White text reads best on this color (7.25:1).
About this color
#545A37 is a medium-dark, muted brown. In OKLCH its lightness is 45%, its chroma 0.054 and its hue 117°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Army Green (#4B5D16), ΔE 0.044 away. White text reads best on it, at 7.25:1.
| Hue family | Browns |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.054) |
| Temperature | in between |
| Nearest name | Army Green (#4B5D16) |
| Black text | 2.89:1 |
| White text | 7.25:1 |
Values
| HEX | #545A37 |
| RGB | rgb(84, 90, 55) |
| HSL | hsl(70, 24%, 28%) |
| OKLCH | oklch(45.3% 0.054 116.5) |
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 #545A37 | 7.25:1 | AAA | Lc -90.1 | Preferred for body text |
| Black text on #545A37 | 2.89:1 | Fails | Lc 18.8 | Dividers and decoration only |
| #545A37 text on white | 7.25:1 | AAA | Lc 85.2 | Fine for body text |
| #545A37 text on black | 2.89:1 | Fails | Lc -16.8 | 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
#F5F6F3
oklch(97.2% 0.004 121.6)
-
Step 100
100
#E9EBE4
oklch(93.7% 0.01 119.6)
-
Step 200
200
#D8DBCE
oklch(88.6% 0.018 117.3)
-
Step 300
300
#BFC4AD
oklch(81% 0.032 117.1)
-
Step 400
400
#9EA582
oklch(70.7% 0.05 116.9)
-
Step 500
500
#878F62
oklch(63.2% 0.064 116.5)
-
Step 600
600
#717949
oklch(55.7% 0.069 116.4)
-
Step 700
700
#5E663A
oklch(49.2% 0.065 117.3)
-
Step 800
800 (this color)
#545A37
oklch(45.3% 0.054 116.5)
-
Step 900
900
#40452B
oklch(37.8% 0.042 117.3)
-
Step 950
950
#252819
oklch(26.9% 0.027 117.4)
#545A37 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) | #5F5734 | 0.018 |
| Deuteranopia (no green cones) | #5E5739 | 0.019 |
| Tritanopia (no blue cones) | #585651 | 0.046 |
| Achromatopsia (no color) | #575757 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #545A37
#545A37
oklch(45.3% 0.054 116.5)
- #595071
#595071
oklch(45.3% 0.054 296.7)
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 #545A37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Army Green #4B5D16 ΔE 0.044
- Olive Brown #645403 ΔE 0.045
- Camo Green #526525 ΔE 0.046
- Green Brown #544E03 ΔE 0.051
- Camouflage Green #4B6113 ΔE 0.052
- Pine #2B5D34 ΔE 0.053
- Dark Olive Green #556B2F ΔE 0.057
- Greeny Brown #696006 ΔE 0.057
Use #545A37 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.