#537B1F#537B1F

#537B1F is a mid, vivid yellow-green. Relative luminance 0.161; OKLCH L 53.4% C 0.128 H 130.4°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#537B1F
RGB	rgb(83, 123, 31)
HSL	hsl(86, 60%, 30%)
HSV	hsv(86, 75%, 48%)
CMYK	cmyk(32.5%, 0%, 74.8%, 51.8%)
CIE-LAB	lab(47.11, -29.12, 43.28)
CIE-LCH	lch(47.11, 52.16, 123.94°)
OKLab	oklab(53.42% -0.0826 0.0971)
OKLCH	oklch(53.42% 0.128 130.4)
XYZ	xyz(10.8975, 16.1035, 3.8302)
Luminance	0.1610 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537B1F #471F7B

analogous

#7B751F #537B1F #257B1F

triadic

#537B1F #1F537B #7B1F53

tetradic

#537B1F #1F7B75 #471F7B #7B1F25

square

#537B1F #1F7B75 #471F7B #7B1F25

split-complementary

#537B1F #1F257B #751F7B

monochromatic

#111906 #324A13 #537B1F #74AC2B #93D044

Accessibility & contrast

On white

4.98

#537B1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#537B1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #537B1F

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537B1F	#FFFFFF	#000000	##FFFFFF
##537B1F	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#81720E

Deuteranopia (green-blind)

#7B6F28

Tritanopia (blue-blind)

#557669

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #537b1f;
/* rgb */ color: rgb(83, 123, 31);
/* oklch */ color: oklch(53.4% 0.128 130.4);

Tailwind

colors: {
  custom: {
    50: '#87a161',
    500: '#537b1f',
    950: '#000000',
  },
}

SCSS

$custom: #537b1f;
$custom-light: #87a161;
$custom-dark: #000000;

JSON

{
  "hex": "#537b1f",
  "rgb": {
    "r": 83,
    "g": 123,
    "b": 31
  },
  "hsl": {
    "h": 86.087,
    "s": 59.74,
    "l": 30.196
  },
  "oklch": {
    "l": 0.53422,
    "c": 0.12752,
    "h": 130.4
  },
  "luminance": 0.16104
}

Semantic roles & 50–950 ramp

primary

#537B1F

secondary

#7448AE

accent

#45E38A

background

#F8F9F6

surface

#F0F2EB

border

#CBCCC6

text

#0C0F05

muted

#7D7E7A

Preview Lab

Preview with #537B1F

Body copy rendered with the generated semantic roles for this colour.

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