#5B8B1B#5B8B1B

#5B8B1B is a mid, vivid yellow-green. Relative luminance 0.208; OKLCH L 58.1% C 0.146 H 130.8°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#5B8B1B
RGB	rgb(91, 139, 27)
HSL	hsl(86, 67%, 33%)
HSV	hsv(86, 81%, 55%)
CMYK	cmyk(34.5%, 0%, 80.6%, 45.5%)
CIE-LAB	lab(52.69, -33.65, 50.22)
CIE-LCH	lch(52.69, 60.45, 123.83°)
OKLab	oklab(58.09% -0.0957 0.1109)
OKLCH	oklch(58.09% 0.146 130.8)
XYZ	xyz(13.7447, 20.7680, 4.3211)
Luminance	0.2077 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8B1B #4B1B8B

analogous

#8B831B #5B8B1B #238B1B

triadic

#5B8B1B #1B5B8B #8B1B5B

tetradic

#5B8B1B #1B8B83 #4B1B8B #8B1B23

square

#5B8B1B #1B8B83 #4B1B8B #8B1B23

split-complementary

#5B8B1B #1B238B #831B8B

monochromatic

#182507 #395811 #5B8B1B #7DBE25 #9BDB45

Accessibility & contrast

On white

4.07

#5B8B1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#5B8B1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8B1B

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8B1B	#FFFFFF	#000000	##000000
##5B8B1B	1.00	4.07	5.15	5.15
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928000

Deuteranopia (green-blind)

#8B7D27

Tritanopia (blue-blind)

#5D8576

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #5b8b1b;
/* rgb */ color: rgb(91, 139, 27);
/* oklch */ color: oklch(58.1% 0.146 130.8);

Tailwind

colors: {
  custom: {
    50: '#8ead62',
    500: '#5b8b1b',
    950: '#000000',
  },
}

SCSS

$custom: #5b8b1b;
$custom-light: #8ead62;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8b1b",
  "rgb": {
    "r": 91,
    "g": 139,
    "b": 27
  },
  "hsl": {
    "h": 85.714,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.58089,
    "c": 0.14649,
    "h": 130.8
  },
  "luminance": 0.20769
}

Semantic roles & 50–950 ramp

primary

#5B8B1B

secondary

#7845BC

accent

#3DEA88

background

#F9FAF6

surface

#F1F4EB

border

#CBCEC6

text

#0D1005

muted

#7E7F7A

Preview Lab

Preview with #5B8B1B

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

Preview Lab → · Contrast checker → · Palette generator →