#559D21#559D21

#559D21 is a light, vivid yellow-green. Relative luminance 0.262; OKLCH L 62.5% C 0.169 H 135.5°. Best body text is #000000 at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#559D21
RGB	rgb(85, 157, 33)
HSL	hsl(95, 65%, 37%)
HSV	hsv(95, 79%, 62%)
CMYK	cmyk(45.9%, 0%, 79%, 38.4%)
CIE-LAB	lab(58.18, -43.23, 53.35)
CIE-LCH	lch(58.18, 68.67, 129.02°)
OKLab	oklab(62.51% -0.1208 0.1185)
OKLCH	oklch(62.51% 0.169 135.5)
XYZ	xyz(16.0774, 26.1541, 5.6396)
Luminance	0.2616 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559D21 #69219D

analogous

#939D21 #559D21 #219D2B

triadic

#559D21 #21559D #9D2155

tetradic

#559D21 #21939D #69219D #9D2B21

square

#559D21 #21939D #69219D #9D2B21

split-complementary

#559D21 #2B219D #9D2193

monochromatic

#1E380C #3A6A16 #559D21 #70D02C #92DD5C

Accessibility & contrast

On white

3.37

#559D21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.23

#559D21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559D21

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559D21	#FFFFFF	#000000	##000000
##559D21	1.00	3.37	6.23	6.23
#FFFFFF	3.37	1.00	21.00	21.00
#000000	6.23	21.00	1.00	1.00
##000000	6.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A39000

Deuteranopia (green-blind)

#998A2F

Tritanopia (blue-blind)

#539786

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #559d21;
/* rgb */ color: rgb(85, 157, 33);
/* oklch */ color: oklch(62.5% 0.169 135.5);

Tailwind

colors: {
  custom: {
    50: '#8cba67',
    500: '#559d21',
    950: '#000000',
  },
}

SCSS

$custom: #559d21;
$custom-light: #8cba67;
$custom-dark: #000000;

JSON

{
  "hex": "#559d21",
  "rgb": {
    "r": 85,
    "g": 157,
    "b": 33
  },
  "hsl": {
    "h": 94.839,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.62511,
    "c": 0.16919,
    "h": 135.5
  },
  "luminance": 0.26155
}

Semantic roles & 50–950 ramp

primary

#559D21

secondary

#9559C1

accent

#40E8A2

background

#F9FBF6

surface

#F1F6EB

border

#CBD0C6

text

#0D1206

muted

#7E817A

Preview Lab

Preview with #559D21

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

Preview Lab → · Contrast checker → · Palette generator →