#537B09
Closest named color: Olive Green (#677A04). oklch(53.3% 0.138 129), rgb(83, 123, 9).
Aa
White text reads best on this color (4.99:1).
About this color
#537B09 is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.138 and its hue 129°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive Green (#677A04), ΔE 0.026 away. White text reads best on it, at 4.99:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Olive Green (#677A04) |
| Black text | 4.20:1 |
| White text | 4.99:1 |
Values
| HEX | #537B09 |
| RGB | rgb(83, 123, 9) |
| HSL | hsl(81, 86%, 26%) |
| OKLCH | oklch(53.3% 0.138 129) |
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 #537B09 | 4.99:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #537B09 | 4.20:1 | AA large text | Lc 29.8 | Dividers and decoration only |
| #537B09 text on white | 4.99:1 | AA | Lc 74.3 | Content text, not long reading |
| #537B09 text on black | 4.20:1 | 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
#E6ECE0
oklch(93.5% 0.017 128.7)
-
Step 200
200
#D2DEC6
oklch(88.5% 0.035 128.9)
-
Step 300
300
#B4C99F
oklch(80.9% 0.062 129.3)
-
Step 400
400
#8DAD69
oklch(70.7% 0.1 129.2)
-
Step 500
500
#71983E
oklch(63.1% 0.127 129.1)
-
Step 600
600 (this color)
#537B09
oklch(53.3% 0.138 129)
-
Step 700
700
#496E04
oklch(49.2% 0.129 129.2)
-
Step 800
800
#3C590C
oklch(42.5% 0.106 129)
-
Step 900
900
#344A14
oklch(37.8% 0.083 128.8)
-
Step 950
950
#1E2B0E
oklch(26.9% 0.052 129.4)
#537B09 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) | #817100 | 0.070 |
| Deuteranopia (no green cones) | #7C6F1A | 0.069 |
| Tritanopia (no blue cones) | #567568 | 0.109 |
| Achromatopsia (no color) | #6F6F6F | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #537B09
#537B09
oklch(53.3% 0.138 129)
- #8453A8
#8453A8
oklch(53.3% 0.137 309.1)
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 #537B09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Green #677A04 ΔE 0.026
- Dark Grass Green #388004 ΔE 0.030
- Murky Green #6C7A0E ΔE 0.034
- Tree Green #2A7E19 ΔE 0.036
- Muddy Green #657432 ΔE 0.049
- Sap Green #5C8B15 ΔE 0.049
- Military Green #667C3E ΔE 0.052
- Swamp #698339 ΔE 0.052
Use #537B09 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.