#55BB1B#55BB1B

#55BB1B is a light, highly saturated yellow-green. Relative luminance 0.376; OKLCH L 70.3% C 0.207 H 137.6°. Best body text is #000000 at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#55BB1B
RGB	rgb(85, 187, 27)
HSL	hsl(98, 75%, 42%)
HSV	hsv(98, 86%, 73%)
CMYK	cmyk(54.5%, 0%, 85.6%, 26.7%)
CIE-LAB	lab(67.69, -55.06, 63.64)
CIE-LCH	lch(67.69, 84.15, 130.87°)
OKLab	oklab(70.33% -0.1528 0.1393)
OKLCH	oklch(70.33% 0.207 137.6)
XYZ	xyz(21.7137, 37.5493, 7.1402)
Luminance	0.3755 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55BB1B #811BBB

analogous

#A5BB1B #55BB1B #1BBB31

triadic

#55BB1B #1B55BB #BB1B55

tetradic

#55BB1B #1BA5BB #811BBB #BB311B

square

#55BB1B #1BA5BB #811BBB #BB311B

split-complementary

#55BB1B #311BBB #BB1BA5

monochromatic

#24500C #3D8613 #55BB1B #71E132 #96E967

Accessibility & contrast

On white

2.47

#55BB1B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.51

#55BB1B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55BB1B

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55BB1B	#FFFFFF	#000000	##000000
##55BB1B	1.00	2.47	8.51	8.51
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.51	21.00	1.00	1.00
##000000	8.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1AA00

Deuteranopia (green-blind)

#B4A231

Tritanopia (blue-blind)

#4DB49F

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #55bb1b;
/* rgb */ color: rgb(85, 187, 27);
/* oklch */ color: oklch(70.3% 0.207 137.6);

Tailwind

colors: {
  custom: {
    50: '#90d069',
    500: '#55bb1b',
    950: '#000000',
  },
}

SCSS

$custom: #55bb1b;
$custom-light: #90d069;
$custom-dark: #000000;

JSON

{
  "hex": "#55bb1b",
  "rgb": {
    "r": 85,
    "g": 187,
    "b": 27
  },
  "hsl": {
    "h": 98.25,
    "s": 74.766,
    "l": 41.961
  },
  "oklch": {
    "l": 0.70328,
    "c": 0.20673,
    "h": 137.6
  },
  "luminance": 0.37551
}

Semantic roles & 50–950 ramp

primary

#55BB1B

secondary

#A863CE

accent

#36F1AE

background

#F9FCF6

surface

#F2F9EC

border

#CCD2C7

text

#0E1407

muted

#7E827A

Preview Lab

Preview with #55BB1B

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

Preview Lab → · Contrast checker → · Palette generator →