#55B01B#55B01B

#55B01B is a light, vivid yellow-green. Relative luminance 0.331; OKLCH L 67.5% C 0.194 H 136.9°. Best body text is #000000 at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#55B01B
RGB	rgb(85, 176, 27)
HSL	hsl(97, 73%, 40%)
HSV	hsv(97, 85%, 69%)
CMYK	cmyk(51.7%, 0%, 84.7%, 31%)
CIE-LAB	lab(64.21, -50.99, 60.56)
CIE-LCH	lch(64.21, 79.17, 130.10°)
OKLab	oklab(67.46% -0.1419 0.1328)
OKLCH	oklch(67.46% 0.194 136.9)
XYZ	xyz(19.4689, 33.0597, 6.3919)
Luminance	0.3306 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55B01B #761BB0

analogous

#A0B01B #55B01B #1BB02B

triadic

#55B01B #1B55B0 #B01B55

tetradic

#55B01B #1BA0B0 #761BB0 #B02B1B

square

#55B01B #1BA0B0 #761BB0 #B02B1B

split-complementary

#55B01B #2B1BB0 #B01BA0

monochromatic

#22460B #3B7B13 #55B01B #70DE2A #94E65F

Accessibility & contrast

On white

2.76

#55B01B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.61

#55B01B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B01B

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55B01B	#FFFFFF	#000000	##000000
##55B01B	1.00	2.76	7.61	7.61
#FFFFFF	2.76	1.00	21.00	21.00
#000000	7.61	21.00	1.00	1.00
##000000	7.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A000

Deuteranopia (green-blind)

#AA992F

Tritanopia (blue-blind)

#4FA996

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #55b01b;
/* rgb */ color: rgb(85, 176, 27);
/* oklch */ color: oklch(67.5% 0.194 136.9);

Tailwind

colors: {
  custom: {
    50: '#8ec867',
    500: '#55b01b',
    950: '#000000',
  },
}

SCSS

$custom: #55b01b;
$custom-light: #8ec867;
$custom-dark: #000000;

JSON

{
  "hex": "#55b01b",
  "rgb": {
    "r": 85,
    "g": 176,
    "b": 27
  },
  "hsl": {
    "h": 96.644,
    "s": 73.399,
    "l": 39.804
  },
  "oklch": {
    "l": 0.6746,
    "c": 0.19433,
    "h": 136.9
  },
  "luminance": 0.33061
}

Semantic roles & 50–950 ramp

primary

#55B01B

secondary

#A05CCB

accent

#38F0A8

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #55B01B

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

Preview Lab → · Contrast checker → · Palette generator →