#55B321#55B321

#55B321 is a light, vivid yellow-green. Relative luminance 0.343; OKLCH L 68.3% C 0.195 H 137.4°. Best body text is #000000 at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#55B321
RGB	rgb(85, 179, 33)
HSL	hsl(99, 69%, 42%)
HSV	hsv(99, 82%, 70%)
CMYK	cmyk(52.5%, 0%, 81.6%, 29.8%)
CIE-LAB	lab(65.18, -51.84, 59.88)
CIE-LCH	lch(65.18, 79.20, 130.89°)
OKLab	oklab(68.27% -0.1439 0.1322)
OKLCH	oklch(68.27% 0.195 137.4)
XYZ	xyz(20.1403, 34.2798, 6.9939)
Luminance	0.3428 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55B321 #7F21B3

analogous

#9EB321 #55B321 #21B336

triadic

#55B321 #2155B3 #B32155

tetradic

#55B321 #219EB3 #7F21B3 #B33621

square

#55B321 #219EB3 #7F21B3 #B33621

split-complementary

#55B321 #3621B3 #B3219E

monochromatic

#244C0E #3C7F17 #55B321 #71DA37 #96E46B

Accessibility & contrast

On white

2.67

#55B321 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.86

#55B321 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B321

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55B321	#FFFFFF	#000000	##000000
##55B321	1.00	2.67	7.86	7.86
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.86	21.00	1.00	1.00
##000000	7.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A300

Deuteranopia (green-blind)

#AD9B33

Tritanopia (blue-blind)

#4EAC99

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #55b321;
/* rgb */ color: rgb(85, 179, 33);
/* oklch */ color: oklch(68.3% 0.195 137.4);

Tailwind

colors: {
  custom: {
    50: '#8fca6a',
    500: '#55b321',
    950: '#000000',
  },
}

SCSS

$custom: #55b321;
$custom-light: #8fca6a;
$custom-dark: #000000;

JSON

{
  "hex": "#55b321",
  "rgb": {
    "r": 85,
    "g": 179,
    "b": 33
  },
  "hsl": {
    "h": 98.63,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.68271,
    "c": 0.19537,
    "h": 137.4
  },
  "luminance": 0.34281
}

Semantic roles & 50–950 ramp

primary

#55B321

secondary

#A666CA

accent

#3CECAD

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #55B321

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

Preview Lab → · Contrast checker → · Palette generator →