#537D4B
Closest named color: Military Green (#667C3E). oklch(54.5% 0.089 140.5), rgb(83, 125, 75).
Aa
White text reads best on this color (4.76:1).
About this color
#537D4B is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.089 and its hue 141°. 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 4.76:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.089) |
| Temperature | in between |
| Nearest name | Military Green (#667C3E) |
| Black text | 4.40:1 |
| White text | 4.76:1 |
Values
| HEX | #537D4B |
| RGB | rgb(83, 125, 75) |
| HSL | hsl(110, 25%, 39%) |
| OKLCH | oklch(54.5% 0.089 140.5) |
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 #537D4B | 4.76:1 | AA | Lc -78.5 | Fine for body text |
| Black text on #537D4B | 4.40:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #537D4B text on white | 4.76:1 | AA | Lc 73.0 | Content text, not long reading |
| #537D4B text on black | 4.40:1 | AA large text | Lc -28.7 | 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
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E6ECE5
oklch(93.7% 0.011 141.3)
-
Step 200
200
#D2DDCF
oklch(88.5% 0.022 139)
-
Step 300
300
#B3C7AF
oklch(80.8% 0.04 140.5)
-
Step 400
400
#8BAB85
oklch(70.7% 0.065 140.6)
-
Step 500
500
#6E9667
oklch(63.1% 0.082 140.8)
-
Step 600
600 (this color)
#537D4B
oklch(54.5% 0.089 140.5)
-
Step 700
700
#466C3F
oklch(49% 0.082 140.6)
-
Step 800
800
#3A5834
oklch(42.6% 0.068 140.3)
-
Step 900
900
#32492E
oklch(37.8% 0.053 140.8)
-
Step 950
950
#1D2B1B
oklch(27.1% 0.035 141.5)
#537D4B 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) | #807547 | 0.064 |
| Deuteranopia (no green cones) | #79714E | 0.062 |
| Tritanopia (no blue cones) | #507A71 | 0.059 |
| Achromatopsia (no color) | #737373 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #537D4B
#537D4B
oklch(54.5% 0.089 140.5)
- #875F90
#875F90
oklch(54.5% 0.088 320.1)
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 #537D4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Military Green #667C3E ΔE 0.025
- Dark Sage #598556 ΔE 0.027
- Muddy Green #657432 ΔE 0.035
- Swamp #698339 ΔE 0.041
- Sea Green #2E8B57 ΔE 0.046
- Dark Moss Green #606C38 ΔE 0.049
- Fern Green #548D44 ΔE 0.052
- Murky Green #6C7A0E ΔE 0.054
Use #537D4B 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.