#537B37
Closest named color: Military Green (#667C3E). oklch(53.7% 0.107 134), rgb(83, 123, 55).
Aa
White text reads best on this color (4.93:1).
About this color
#537B37 is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.107 and its hue 134°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Military Green (#667C3E), ΔE 0.028 away. White text reads best on it, at 4.93:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Military Green (#667C3E) |
| Black text | 4.25:1 |
| White text | 4.93:1 |
Values
| HEX | #537B37 |
| RGB | rgb(83, 123, 55) |
| HSL | hsl(95, 38%, 35%) |
| OKLCH | oklch(53.7% 0.107 134) |
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 #537B37 | 4.93:1 | AA | Lc -79.5 | Fine for body text |
| Black text on #537B37 | 4.25:1 | AA large text | Lc 30.0 | Non-text elements, placeholder text |
| #537B37 text on white | 4.93:1 | AA | Lc 74.1 | Content text, not long reading |
| #537B37 text on black | 4.25:1 | AA large text | Lc -27.6 | 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 600.
-
Step 50
50
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E6ECE3
oklch(93.6% 0.014 134.9)
-
Step 200
200
#D2DDCC
oklch(88.4% 0.026 134.3)
-
Step 300
300
#B4C8A9
oklch(80.9% 0.048 134.4)
-
Step 400
400
#8DAC7A
oklch(70.8% 0.078 133.9)
-
Step 500
500
#709758
oklch(63.2% 0.099 134.4)
-
Step 600
600 (this color)
#537B37
oklch(53.7% 0.107 134)
-
Step 700
700
#486D2F
oklch(49.2% 0.1 134.3)
-
Step 800
800
#3C5928
oklch(42.8% 0.082 134)
-
Step 900
900
#334925
oklch(37.7% 0.064 134.3)
-
Step 950
950
#1E2B16
oklch(27.1% 0.041 134.3)
#537B37 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) | #7F7231 | 0.064 |
| Deuteranopia (no green cones) | #7A6F3C | 0.065 |
| Tritanopia (no blue cones) | #53776C | 0.078 |
| Achromatopsia (no color) | #707070 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #537B37
#537B37
oklch(53.7% 0.107 134)
- #845A99
#845A99
oklch(53.7% 0.106 313.8)
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 #537B37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Military Green #667C3E ΔE 0.028
- Muddy Green #657432 ΔE 0.028
- Olive Green #677A04 ΔE 0.036
- Murky Green #6C7A0E ΔE 0.038
- Swamp #698339 ΔE 0.039
- Dark Sage #598556 ΔE 0.044
- Dark Olive Green #556B2F ΔE 0.047
- Dark Moss Green #606C38 ΔE 0.048
Use #537B37 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.