#559C21#559C21

#559C21 is a light, vivid yellow-green. Relative luminance 0.258; OKLCH L 62.2% C 0.168 H 135.4°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#559C21
RGB	rgb(85, 156, 33)
HSL	hsl(95, 65%, 37%)
HSV	hsv(95, 79%, 61%)
CMYK	cmyk(45.5%, 0%, 78.8%, 38.8%)
CIE-LAB	lab(57.86, -42.82, 53.05)
CIE-LCH	lch(57.86, 68.17, 128.91°)
OKLab	oklab(62.25% -0.1196 0.1179)
OKLCH	oklch(62.25% 0.168 135.4)
XYZ	xyz(15.9089, 25.8171, 5.5835)
Luminance	0.2582 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559C21 #68219C

analogous

#939C21 #559C21 #219C2B

triadic

#559C21 #21559C #9C2155

tetradic

#559C21 #21939C #68219C #9C2B21

square

#559C21 #21939C #68219C #9C2B21

split-complementary

#559C21 #2B219C #9C2193

monochromatic

#1E370C #396916 #559C21 #71CF2C #92DC5B

Accessibility & contrast

On white

3.41

#559C21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.16

#559C21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559C21

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559C21	#FFFFFF	#000000	##000000
##559C21	1.00	3.41	6.16	6.16
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.16	21.00	1.00	1.00
##000000	6.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A28F00

Deuteranopia (green-blind)

#98892F

Tritanopia (blue-blind)

#539685

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #559c21;
/* rgb */ color: rgb(85, 156, 33);
/* oklch */ color: oklch(62.2% 0.168 135.4);

Tailwind

colors: {
  custom: {
    50: '#8cba67',
    500: '#559c21',
    950: '#000000',
  },
}

SCSS

$custom: #559c21;
$custom-light: #8cba67;
$custom-dark: #000000;

JSON

{
  "hex": "#559c21",
  "rgb": {
    "r": 85,
    "g": 156,
    "b": 33
  },
  "hsl": {
    "h": 94.634,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.62248,
    "c": 0.16796,
    "h": 135.4
  },
  "luminance": 0.25818
}

Semantic roles & 50–950 ramp

primary

#559C21

secondary

#9458C1

accent

#40E8A1

background

#F9FBF6

surface

#F1F6EB

border

#CBD0C6

text

#0D1106

muted

#7E807A

Preview Lab

Preview with #559C21

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

Preview Lab → · Contrast checker → · Palette generator →