#537A45
Closest named color: Military Green (#667C3E). oklch(53.7% 0.09 137.8), rgb(83, 122, 69).
Aa
White text reads best on this color (4.95:1).
About this color
#537A45 is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.090 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Military Green (#667C3E), ΔE 0.026 away. White text reads best on it, at 4.95:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Military Green (#667C3E) |
| Black text | 4.23:1 |
| White text | 4.95:1 |
Values
| HEX | #537A45 |
| RGB | rgb(83, 122, 69) |
| HSL | hsl(104, 28%, 37%) |
| OKLCH | oklch(53.7% 0.09 137.8) |
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 #537A45 | 4.95:1 | AA | Lc -79.6 | Fine for body text |
| Black text on #537A45 | 4.23:1 | AA large text | Lc 29.9 | Dividers and decoration only |
| #537A45 text on white | 4.95:1 | AA | Lc 74.2 | Content text, not long reading |
| #537A45 text on black | 4.23:1 | AA large text | Lc -27.5 | 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
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E6ECE4
oklch(93.6% 0.012 137.8)
-
Step 200
200
#D2DDCF
oklch(88.5% 0.022 139)
-
Step 300
300
#B4C7AE
oklch(80.8% 0.04 138.2)
-
Step 400
400
#8DAB83
oklch(70.8% 0.066 137.9)
-
Step 500
500
#719664
oklch(63.2% 0.083 137.8)
-
Step 600
600 (this color)
#537A45
oklch(53.7% 0.09 137.8)
-
Step 700
700
#486C3C
oklch(49.1% 0.084 138.2)
-
Step 800
800
#3C5832
oklch(42.7% 0.069 137.8)
-
Step 900
900
#33482C
oklch(37.6% 0.053 138.1)
-
Step 950
950
#1E2A1A
oklch(26.9% 0.033 138)
#537A45 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) | #7D7241 | 0.061 |
| Deuteranopia (no green cones) | #776F48 | 0.059 |
| Tritanopia (no blue cones) | #51776D | 0.062 |
| Achromatopsia (no color) | #707070 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #537A45
#537A45
oklch(53.7% 0.09 137.8)
- #835C90
#835C90
oklch(53.6% 0.091 317.4)
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 #537A45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Military Green #667C3E ΔE 0.026
- Muddy Green #657432 ΔE 0.028
- Dark Sage #598556 ΔE 0.036
- Dark Moss Green #606C38 ΔE 0.041
- Swamp #698339 ΔE 0.044
- Dark Olive Green #556B2F ΔE 0.045
- Murky Green #6C7A0E ΔE 0.051
- Olive Green #677A04 ΔE 0.051
Use #537A45 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.