#537B1F
Closest named color: Olive Green (#677A04). oklch(53.4% 0.128 130.4), rgb(83, 123, 31).
Aa
White text reads best on this color (4.97:1).
About this color
#537B1F is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.128 and its hue 130°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive Green (#677A04), ΔE 0.025 away. White text reads best on it, at 4.97:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Olive Green (#677A04) |
| Black text | 4.22:1 |
| White text | 4.97:1 |
Values
| HEX | #537B1F |
| RGB | rgb(83, 123, 31) |
| HSL | hsl(86, 60%, 30%) |
| OKLCH | oklch(53.4% 0.128 130.4) |
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 #537B1F | 4.97:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #537B1F | 4.22:1 | AA large text | Lc 29.8 | Dividers and decoration only |
| #537B1F text on white | 4.97:1 | AA | Lc 74.3 | Content text, not long reading |
| #537B1F text on black | 4.22:1 | AA large text | Lc -27.4 | 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
#F4F7F1
oklch(97.2% 0.009 128.6)
-
Step 100
100
#E6ECE1
oklch(93.5% 0.016 130.4)
-
Step 200
200
#D2DEC8
oklch(88.5% 0.032 130.6)
-
Step 300
300
#B4C9A2
oklch(81% 0.058 130.7)
-
Step 400
400
#8DAC6F
oklch(70.6% 0.091 130.3)
-
Step 500
500
#719847
oklch(63.2% 0.118 130.4)
-
Step 600
600 (this color)
#537B1F
oklch(53.4% 0.128 130.4)
-
Step 700
700
#496D19
oklch(49% 0.118 130.3)
-
Step 800
800
#3C5918
oklch(42.6% 0.098 130.4)
-
Step 900
900
#33491B
oklch(37.5% 0.075 130.6)
-
Step 950
950
#1E2B11
oklch(27% 0.048 130.8)
#537B1F 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) | #81720E | 0.067 |
| Deuteranopia (no green cones) | #7B6F28 | 0.068 |
| Tritanopia (no blue cones) | #557669 | 0.097 |
| Achromatopsia (no color) | #707070 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #537B1F
#537B1F
oklch(53.4% 0.128 130.4)
- #8455A3
#8455A3
oklch(53.4% 0.127 310.5)
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 #537B1F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Green #677A04 ΔE 0.025
- Murky Green #6C7A0E ΔE 0.032
- Dark Grass Green #388004 ΔE 0.036
- Tree Green #2A7E19 ΔE 0.040
- Muddy Green #657432 ΔE 0.040
- Military Green #667C3E ΔE 0.042
- Swamp #698339 ΔE 0.045
- Sap Green #5C8B15 ΔE 0.052
Use #537B1F 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.