#537B15#537B15
#537B15 is a mid, vivid yellow-green. Relative luminance 0.161; OKLCH L 53.4% C 0.133 H 129.6°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #537B15 |
|---|---|
| RGB | rgb(83, 123, 21) |
| HSL | hsl(84, 71%, 28%) |
| HSV | hsv(84, 83%, 48%) |
| CMYK | cmyk(32.5%, 0%, 82.9%, 51.8%) |
| CIE-LAB | lab(47.05, -29.70, 46.73) |
| CIE-LCH | lch(47.05, 55.37, 122.44°) |
| OKLab | oklab(53.36% -0.085 0.1027) |
| OKLCH | oklch(53.36% 0.133 129.6) |
| XYZ | xyz(10.7856, 16.0587, 3.2407) |
| Luminance | 0.1606 (WCAG relative) |
| Temperature | warm |
| Family | yellow-green |
Closest named colors
Avocado
#568203
ΔE00 3.03
Dirty Green
#667E2C
ΔE00 4.22
Dark Grass Green
#388004
ΔE00 4.64
Olive Green
#677A04
ΔE00 5.47
Swamp
#698339
ΔE00 5.89
Sap Green
#5C8B15
ΔE00 5.95
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#537B15 #3D157B
analogous
#7B7015 #537B15 #207B15
triadic
#537B15 #15537B #7B1553
tetradic
#537B15 #157B70 #3D157B #7B1520
square
#537B15 #157B70 #3D157B #7B1520
split-complementary
#537B15 #15207B #70157B
monochromatic
#121A04 #30470C #537B15 #76AF1E #98DB2F
Accessibility & contrast
On white
4.99
#537B15 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.21
#537B15 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #537B15
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##537B15 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##537B15 | 1.00 | 4.99 | 4.21 | 4.99 |
| #FFFFFF | 4.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.21 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#817100
Deuteranopia (green-blind)
#7C6F20
Tritanopia (blue-blind)
#567568
Achromatopsia (no color)
#707070
Design tokens & code
CSS
--color: #537b15; /* rgb */ color: rgb(83, 123, 21); /* oklch */ color: oklch(53.4% 0.133 129.6);
Tailwind
colors: {
custom: {
50: '#87a15d',
500: '#537b15',
950: '#000000',
},
}SCSS
$custom: #537b15; $custom-light: #87a15d; $custom-dark: #000000;
JSON
{
"hex": "#537b15",
"rgb": {
"r": 83,
"g": 123,
"b": 21
},
"hsl": {
"h": 83.529,
"s": 70.833,
"l": 28.235
},
"oklch": {
"l": 0.53356,
"c": 0.13332,
"h": 129.6
},
"luminance": 0.16059
}Semantic roles & 50–950 ramp
primary
#537B15
secondary
#693BB0
accent
#3AEE81
background
#F8F9F5
surface
#F0F2E9
border
#CBCCC5
text
#0C0F05
muted
#7D7E79