#559F21#559F21

#559F21 is a light, vivid yellow-green. Relative luminance 0.268; OKLCH L 63.0% C 0.172 H 135.8°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#559F21
RGB	rgb(85, 159, 33)
HSL	hsl(95, 66%, 38%)
HSV	hsv(95, 79%, 62%)
CMYK	cmyk(46.5%, 0%, 79.2%, 37.6%)
CIE-LAB	lab(58.82, -44.05, 53.95)
CIE-LCH	lch(58.82, 69.65, 129.23°)
OKLab	oklab(63.04% -0.1229 0.1198)
OKLCH	oklch(63.04% 0.172 135.8)
XYZ	xyz(16.4186, 26.8363, 5.7533)
Luminance	0.2684 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559F21 #6B219F

analogous

#949F21 #559F21 #219F2C

triadic

#559F21 #21559F #9F2155

tetradic

#559F21 #21949F #6B219F #9F2C21

square

#559F21 #21949F #6B219F #9F2C21

split-complementary

#559F21 #2C219F #9F2194

monochromatic

#1F3A0C #3A6C16 #559F21 #70D22C #92DD5D

Accessibility & contrast

On white

3.30

#559F21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.37

#559F21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559F21

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559F21	#FFFFFF	#000000	##000000
##559F21	1.00	3.30	6.37	6.37
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.37	21.00	1.00	1.00
##000000	6.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A59100

Deuteranopia (green-blind)

#9B8B2F

Tritanopia (blue-blind)

#529988

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #559f21;
/* rgb */ color: rgb(85, 159, 33);
/* oklch */ color: oklch(63.0% 0.172 135.8);

Tailwind

colors: {
  custom: {
    50: '#8cbc67',
    500: '#559f21',
    950: '#000000',
  },
}

SCSS

$custom: #559f21;
$custom-light: #8cbc67;
$custom-dark: #000000;

JSON

{
  "hex": "#559f21",
  "rgb": {
    "r": 85,
    "g": 159,
    "b": 33
  },
  "hsl": {
    "h": 95.238,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.63036,
    "c": 0.17164,
    "h": 135.8
  },
  "luminance": 0.26837
}

Semantic roles & 50–950 ramp

primary

#559F21

secondary

#975AC2

accent

#3FE9A3

background

#F9FBF6

surface

#F1F6EB

border

#CBD0C6

text

#0D1206

muted

#7E817A

Preview Lab

Preview with #559F21

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

Preview Lab → · Contrast checker → · Palette generator →