#538F1B#538F1B

#538F1B is a mid, vivid yellow-green. Relative luminance 0.216; OKLCH L 58.7% C 0.156 H 133.8°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#538F1B
RGB	rgb(83, 143, 27)
HSL	hsl(91, 68%, 33%)
HSV	hsv(91, 81%, 56%)
CMYK	cmyk(42%, 0%, 81.1%, 43.9%)
CIE-LAB	lab(53.56, -38.39, 50.87)
CIE-LCH	lch(53.56, 63.73, 127.04°)
OKLab	oklab(58.68% -0.108 0.1124)
OKLCH	oklch(58.68% 0.156 133.8)
XYZ	xyz(13.5873, 21.5623, 4.4827)
Luminance	0.2156 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538F1B #571B8F

analogous

#8D8F1B #538F1B #1B8F1D

triadic

#538F1B #1B538F #8F1B53

tetradic

#538F1B #1B8D8F #571B8F #8F1D1B

square

#538F1B #1B8D8F #571B8F #8F1D1B

split-complementary

#538F1B #1D1B8F #8F1B8D

monochromatic

#172808 #355C11 #538F1B #71C225 #90DC48

Accessibility & contrast

On white

3.95

#538F1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#538F1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538F1B

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538F1B	#FFFFFF	#000000	##000000
##538F1B	1.00	3.95	5.31	5.31
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958300

Deuteranopia (green-blind)

#8D7E28

Tritanopia (blue-blind)

#53897A

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #538f1b;
/* rgb */ color: rgb(83, 143, 27);
/* oklch */ color: oklch(58.7% 0.156 133.8);

Tailwind

colors: {
  custom: {
    50: '#89b062',
    500: '#538f1b',
    950: '#000000',
  },
}

SCSS

$custom: #538f1b;
$custom-light: #89b062;
$custom-dark: #000000;

JSON

{
  "hex": "#538f1b",
  "rgb": {
    "r": 83,
    "g": 143,
    "b": 27
  },
  "hsl": {
    "h": 91.034,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.58683,
    "c": 0.15586,
    "h": 133.8
  },
  "luminance": 0.21563
}

Semantic roles & 50–950 ramp

primary

#538F1B

secondary

#8548BE

accent

#3DEB97

background

#F8FAF6

surface

#F0F5EB

border

#CBCFC6

text

#0C1006

muted

#7D7F7A

Preview Lab

Preview with #538F1B

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

Preview Lab → · Contrast checker → · Palette generator →