#55B221#55B221

#55B221 is a light, vivid yellow-green. Relative luminance 0.339; OKLCH L 68.0% C 0.194 H 137.4°. Best body text is #000000 at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#55B221
RGB	rgb(85, 178, 33)
HSL	hsl(98, 69%, 41%)
HSV	hsv(98, 81%, 70%)
CMYK	cmyk(52.2%, 0%, 81.5%, 30.2%)
CIE-LAB	lab(64.87, -51.47, 59.58)
CIE-LCH	lch(64.87, 78.73, 130.82°)
OKLab	oklab(68.01% -0.1429 0.1316)
OKLCH	oklch(68.01% 0.194 137.4)
XYZ	xyz(19.9406, 33.8804, 6.9273)
Luminance	0.3388 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55B221 #7E21B2

analogous

#9EB221 #55B221 #21B236

triadic

#55B221 #2155B2 #B22155

tetradic

#55B221 #219EB2 #7E21B2 #B23621

square

#55B221 #219EB2 #7E21B2 #B23621

split-complementary

#55B221 #3621B2 #B2219E

monochromatic

#244B0E #3C7E17 #55B221 #71DA36 #96E36A

Accessibility & contrast

On white

2.70

#55B221 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.78

#55B221 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B221

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55B221	#FFFFFF	#000000	##000000
##55B221	1.00	2.70	7.78	7.78
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.78	21.00	1.00	1.00
##000000	7.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A200

Deuteranopia (green-blind)

#AC9B33

Tritanopia (blue-blind)

#4EAB98

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #55b221;
/* rgb */ color: rgb(85, 178, 33);
/* oklch */ color: oklch(68.0% 0.194 137.4);

Tailwind

colors: {
  custom: {
    50: '#8eca6a',
    500: '#55b221',
    950: '#000000',
  },
}

SCSS

$custom: #55b221;
$custom-light: #8eca6a;
$custom-dark: #000000;

JSON

{
  "hex": "#55b221",
  "rgb": {
    "r": 85,
    "g": 178,
    "b": 33
  },
  "hsl": {
    "h": 98.483,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.6801,
    "c": 0.19422,
    "h": 137.4
  },
  "luminance": 0.33882
}

Semantic roles & 50–950 ramp

primary

#55B221

secondary

#A566C9

accent

#3CECAD

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #55B221

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

Preview Lab → · Contrast checker → · Palette generator →