#5B8B2B#5B8B2B

#5B8B2B is a mid, vivid yellow-green. Relative luminance 0.209; OKLCH L 58.2% C 0.136 H 132.2°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#5B8B2B
RGB	rgb(91, 139, 43)
HSL	hsl(90, 53%, 36%)
HSV	hsv(90, 69%, 55%)
CMYK	cmyk(34.5%, 0%, 69.1%, 45.5%)
CIE-LAB	lab(52.80, -32.60, 44.35)
CIE-LCH	lch(52.80, 55.04, 126.32°)
OKLab	oklab(58.21% -0.0916 0.1011)
OKLCH	oklch(58.21% 0.136 132.2)
XYZ	xyz(13.9829, 20.8633, 5.5753)
Luminance	0.2086 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8B2B #5B2B8B

analogous

#8B8B2B #5B8B2B #2B8B2B

triadic

#5B8B2B #2B5B8B #8B2B5B

tetradic

#5B8B2B #2B8B8B #5B2B8B #8B2B2B

square

#5B8B2B #2B8B8B #5B2B8B #8B2B2B

split-complementary

#5B8B2B #2B2B8B #8B2B8B

monochromatic

#1E2E0E #3C5C1D #5B8B2B #7ABA39 #98CE62

Accessibility & contrast

On white

4.06

#5B8B2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#5B8B2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8B2B

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8B2B	#FFFFFF	#000000	##000000
##5B8B2B	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91801D

Deuteranopia (green-blind)

#8A7D33

Tritanopia (blue-blind)

#5C8578

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #5b8b2b;
/* rgb */ color: rgb(91, 139, 43);
/* oklch */ color: oklch(58.2% 0.136 132.2);

Tailwind

colors: {
  custom: {
    50: '#8dad6a',
    500: '#5b8b2b',
    950: '#000000',
  },
}

SCSS

$custom: #5b8b2b;
$custom-light: #8dad6a;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8b2b",
  "rgb": {
    "r": 91,
    "g": 139,
    "b": 43
  },
  "hsl": {
    "h": 90,
    "s": 52.747,
    "l": 35.686
  },
  "oklch": {
    "l": 0.58208,
    "c": 0.1364,
    "h": 132.2
  },
  "luminance": 0.20864
}

Semantic roles & 50–950 ramp

primary

#5B8B2B

secondary

#895DB5

accent

#4CDC94

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0D1007

muted

#7D7F7A

Preview Lab

Preview with #5B8B2B

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

Preview Lab → · Contrast checker → · Palette generator →