#59B31B#59B31B

#59B31B is a light, vivid yellow-green. Relative luminance 0.344; OKLCH L 68.4% C 0.196 H 136.5°. Best body text is #000000 at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#59B31B
RGB	rgb(89, 179, 27)
HSL	hsl(96, 74%, 40%)
HSV	hsv(96, 85%, 70%)
CMYK	cmyk(50.3%, 0%, 84.9%, 29.8%)
CIE-LAB	lab(65.31, -50.93, 61.60)
CIE-LCH	lch(65.31, 79.93, 129.59°)
OKLab	oklab(68.41% -0.142 0.1349)
OKLCH	oklch(68.41% 0.196 136.5)
XYZ	xyz(20.4372, 34.4417, 6.6077)
Luminance	0.3444 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#59B31B #751BB3

analogous

#A5B31B #59B31B #1BB329

triadic

#59B31B #1B59B3 #B31B59

tetradic

#59B31B #1BA5B3 #751BB3 #B3291B

square

#59B31B #1BA5B3 #751BB3 #B3291B

split-complementary

#59B31B #291BB3 #B31BA5

monochromatic

#24490B #3F7E13 #59B31B #75DF2C #98E761

Accessibility & contrast

On white

2.66

#59B31B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.89

#59B31B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #59B31B

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##59B31B	#FFFFFF	#000000	##000000
##59B31B	1.00	2.66	7.89	7.89
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.89	21.00	1.00	1.00
##000000	7.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A300

Deuteranopia (green-blind)

#AE9C2F

Tritanopia (blue-blind)

#54AC98

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #59b31b;
/* rgb */ color: rgb(89, 179, 27);
/* oklch */ color: oklch(68.4% 0.196 136.5);

Tailwind

colors: {
  custom: {
    50: '#91ca68',
    500: '#59b31b',
    950: '#000000',
  },
}

SCSS

$custom: #59b31b;
$custom-light: #91ca68;
$custom-dark: #000000;

JSON

{
  "hex": "#59b31b",
  "rgb": {
    "r": 89,
    "g": 179,
    "b": 27
  },
  "hsl": {
    "h": 95.526,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.68411,
    "c": 0.19585,
    "h": 136.5
  },
  "luminance": 0.34443
}

Semantic roles & 50–950 ramp

primary

#59B31B

secondary

#9F5ECC

accent

#37F0A5

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0E1307

muted

#7E827A

Preview Lab

Preview with #59B31B

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

Preview Lab → · Contrast checker → · Palette generator →