#537F3F
Closest named color: Military Green (#667C3E). oklch(54.8% 0.105 136.7), rgb(83, 127, 63).
Aa
White text reads best on this color (4.69:1).
About this color
#537F3F is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.105 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 0.024 away. White text reads best on it, at 4.69:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Military Green (#667C3E) |
| Black text | 4.47:1 |
| White text | 4.69:1 |
Values
| HEX | #537F3F |
| RGB | rgb(83, 127, 63) |
| HSL | hsl(101, 34%, 37%) |
| OKLCH | oklch(54.8% 0.105 136.7) |
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 #537F3F | 4.69:1 | AA | Lc -77.9 | Fine for body text |
| Black text on #537F3F | 4.47:1 | AA large text | Lc 31.6 | Non-text elements, placeholder text |
| #537F3F text on white | 4.69:1 | AA | Lc 72.5 | Content text, not long reading |
| #537F3F text on black | 4.47:1 | AA large text | Lc -29.2 | 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
#F3F6F2
oklch(97% 0.006 137.8)
-
Step 100
100
#E6ECE3
oklch(93.6% 0.014 134.9)
-
Step 200
200
#D1DDCD
oklch(88.4% 0.025 137.8)
-
Step 300
300
#B3C8AA
oklch(80.9% 0.047 136.2)
-
Step 400
400
#8BAC7D
oklch(70.7% 0.076 136.5)
-
Step 500
500
#6E975C
oklch(63.1% 0.096 136.6)
-
Step 600
600 (this color)
#537F3F
oklch(54.8% 0.105 136.7)
-
Step 700
700
#456D33
oklch(49% 0.097 136.8)
-
Step 800
800
#39592B
oklch(42.7% 0.081 136.9)
-
Step 900
900
#314927
oklch(37.6% 0.063 137)
-
Step 950
950
#1D2B17
oklch(27% 0.04 136.7)
#537F3F 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) | #83763A | 0.068 |
| Deuteranopia (no green cones) | #7C7243 | 0.068 |
| Tritanopia (no blue cones) | #527B70 | 0.074 |
| Achromatopsia (no color) | #747474 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #537F3F
#537F3F
oklch(54.8% 0.105 136.7)
- #895D9A
#895D9A
oklch(54.9% 0.104 316.2)
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 #537F3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Military Green #667C3E ΔE 0.024
- Swamp #698339 ΔE 0.032
- Dark Sage #598556 ΔE 0.032
- Muddy Green #657432 ΔE 0.035
- Olive Green #677A04 ΔE 0.041
- Fern Green #548D44 ΔE 0.041
- Murky Green #6C7A0E ΔE 0.042
- Sea Green #2E8B57 ΔE 0.043
Use #537F3F 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.