#559B21#559B21

#559B21 is a mid, vivid yellow-green. Relative luminance 0.255; OKLCH L 62.0% C 0.167 H 135.3°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#559B21
RGB	rgb(85, 155, 33)
HSL	hsl(94, 65%, 37%)
HSV	hsv(94, 79%, 61%)
CMYK	cmyk(45.2%, 0%, 78.7%, 39.2%)
CIE-LAB	lab(57.54, -42.41, 52.74)
CIE-LCH	lch(57.54, 67.68, 128.80°)
OKLab	oklab(61.99% -0.1185 0.1172)
OKLCH	oklch(61.99% 0.167 135.3)
XYZ	xyz(15.7418, 25.4828, 5.5278)
Luminance	0.2548 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559B21 #67219B

analogous

#929B21 #559B21 #219B2A

triadic

#559B21 #21559B #9B2155

tetradic

#559B21 #21929B #67219B #9B2A21

square

#559B21 #21929B #67219B #9B2A21

split-complementary

#559B21 #2A219B #9B2192

monochromatic

#1E360C #396916 #559B21 #71CD2C #92DC5A

Accessibility & contrast

On white

3.44

#559B21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#559B21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559B21

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559B21	#FFFFFF	#000000	##000000
##559B21	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A18E00

Deuteranopia (green-blind)

#98882E

Tritanopia (blue-blind)

#539584

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #559b21;
/* rgb */ color: rgb(85, 155, 33);
/* oklch */ color: oklch(62.0% 0.167 135.3);

Tailwind

colors: {
  custom: {
    50: '#8bb967',
    500: '#559b21',
    950: '#000000',
  },
}

SCSS

$custom: #559b21;
$custom-light: #8bb967;
$custom-dark: #000000;

JSON

{
  "hex": "#559b21",
  "rgb": {
    "r": 85,
    "g": 155,
    "b": 33
  },
  "hsl": {
    "h": 94.426,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.61985,
    "c": 0.16672,
    "h": 135.3
  },
  "luminance": 0.25484
}

Semantic roles & 50–950 ramp

primary

#559B21

secondary

#9458C0

accent

#40E8A0

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0D1106

muted

#7D807A

Preview Lab

Preview with #559B21

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

Preview Lab → · Contrast checker → · Palette generator →