#537D42
Closest named color: Military Green (#667C3E). oklch(54.4% 0.099 137.2), rgb(83, 125, 66).
Aa
White text reads best on this color (4.79:1).
About this color
#537D42 is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.099 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Military Green (#667C3E), ΔE 0.023 away. White text reads best on it, at 4.79:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Military Green (#667C3E) |
| Black text | 4.37:1 |
| White text | 4.79:1 |
Values
| HEX | #537D42 |
| RGB | rgb(83, 125, 66) |
| HSL | hsl(103, 31%, 37%) |
| OKLCH | oklch(54.4% 0.099 137.2) |
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 #537D42 | 4.79:1 | AA | Lc -78.6 | Fine for body text |
| Black text on #537D42 | 4.37:1 | AA large text | Lc 30.9 | Non-text elements, placeholder text |
| #537D42 text on white | 4.79:1 | AA | Lc 73.2 | Content text, not long reading |
| #537D42 text on black | 4.37:1 | AA large text | Lc -28.5 | 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
#E6ECE4
oklch(93.6% 0.012 137.8)
-
Step 200
200
#D2DDCD
oklch(88.5% 0.025 135.7)
-
Step 300
300
#B3C8AC
oklch(80.9% 0.045 137.9)
-
Step 400
400
#8CAB80
oklch(70.6% 0.07 137.1)
-
Step 500
500
#6F965F
oklch(63% 0.09 136.9)
-
Step 600
600 (this color)
#537D42
oklch(54.4% 0.099 137.2)
-
Step 700
700
#476D37
oklch(49.2% 0.092 137.1)
-
Step 800
800
#3A592E
oklch(42.8% 0.077 137.5)
-
Step 900
900
#324929
oklch(37.7% 0.06 137.3)
-
Step 950
950
#1E2B18
oklch(27.1% 0.038 136.2)
#537D42 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) | #81753D | 0.065 |
| Deuteranopia (no green cones) | #7A7146 | 0.064 |
| Tritanopia (no blue cones) | #51796F | 0.069 |
| Achromatopsia (no color) | #727272 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #537D42
#537D42
oklch(54.4% 0.099 137.2)
- #875D95
#875D95
oklch(54.4% 0.097 317.4)
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 #537D42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Military Green #667C3E ΔE 0.023
- Muddy Green #657432 ΔE 0.031
- Dark Sage #598556 ΔE 0.032
- Swamp #698339 ΔE 0.036
- Olive Green #677A04 ΔE 0.045
- Murky Green #6C7A0E ΔE 0.045
- Sea Green #2E8B57 ΔE 0.046
- Fern Green #548D44 ΔE 0.048
Use #537D42 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.