#537C3B
Closest named color: Military Green (#667C3E). oklch(54% 0.105 135.1), rgb(83, 124, 59).
Aa
White text reads best on this color (4.86:1).
About this color
#537C3B is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.105 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Military Green (#667C3E), ΔE 0.025 away. White text reads best on it, at 4.86:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Military Green (#667C3E) |
| Black text | 4.31:1 |
| White text | 4.86:1 |
Values
| HEX | #537C3B |
| RGB | rgb(83, 124, 59) |
| HSL | hsl(98, 36%, 36%) |
| OKLCH | oklch(54% 0.105 135.1) |
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 #537C3B | 4.86:1 | AA | Lc -79.1 | Fine for body text |
| Black text on #537C3B | 4.31:1 | AA large text | Lc 30.4 | Non-text elements, placeholder text |
| #537C3B text on white | 4.86:1 | AA | Lc 73.6 | Content text, not long reading |
| #537C3B text on black | 4.31:1 | AA large text | Lc -28.1 | 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
#B4C8AA
oklch(80.9% 0.047 135.1)
-
Step 400
400
#8CAC7C
oklch(70.8% 0.076 135.4)
-
Step 500
500
#70975A
oklch(63.2% 0.097 134.9)
-
Step 600
600 (this color)
#537C3B
oklch(54% 0.105 135.1)
-
Step 700
700
#476D31
oklch(49.1% 0.098 135.3)
-
Step 800
800
#3B592A
oklch(42.8% 0.081 135.3)
-
Step 900
900
#334926
oklch(37.7% 0.063 134.7)
-
Step 950
950
#1E2B17
oklch(27.1% 0.04 135.2)
#537C3B 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) | #807335 | 0.065 |
| Deuteranopia (no green cones) | #7A703F | 0.065 |
| Tritanopia (no blue cones) | #52786D | 0.075 |
| Achromatopsia (no color) | #717171 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #537C3B
#537C3B
oklch(54% 0.105 135.1)
- #865B98
#865B98
oklch(54.1% 0.104 315.5)
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 #537C3B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Military Green #667C3E ΔE 0.025
- Muddy Green #657432 ΔE 0.029
- Swamp #698339 ΔE 0.037
- Olive Green #677A04 ΔE 0.039
- Dark Sage #598556 ΔE 0.039
- Murky Green #6C7A0E ΔE 0.040
- Dark Moss Green #606C38 ΔE 0.049
- Dark Olive Green #556B2F ΔE 0.049
Use #537C3B 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.