#B1C843#B1C843

#B1C843 is a light, vivid yellow-green. Relative luminance 0.511; OKLCH L 79.0% C 0.157 H 118.6°. Best body text is #000000 at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#B1C843
RGB	rgb(177, 200, 67)
HSL	hsl(70, 55%, 52%)
HSV	hsv(70, 67%, 78%)
CMYK	cmyk(11.5%, 0%, 66.5%, 21.6%)
CIE-LAB	lab(76.72, -25.57, 61.20)
CIE-LCH	lch(76.72, 66.33, 112.68°)
OKLab	oklab(79.05% -0.0754 0.1382)
OKLCH	oklch(79.05% 0.157 118.6)
XYZ	xyz(39.7996, 51.0612, 13.0682)
Luminance	0.5106 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1C843 #5A43C8

analogous

#C89D43 #B1C843 #6EC843

triadic

#B1C843 #43B1C8 #C843B1

tetradic

#B1C843 #43C89D #5A43C8 #C8436E

square

#B1C843 #43C89D #5A43C8 #C8436E

split-complementary

#B1C843 #436EC8 #9D43C8

monochromatic

#627021 #8C9F2F #B1C843 #C5D672 #D8E4A2

Accessibility & contrast

On white

1.87

#B1C843 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.21

#B1C843 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1C843

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1C843	#FFFFFF	#000000	##000000
##B1C843	1.00	1.87	11.21	11.21
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.21	21.00	1.00	1.00
##000000	11.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BD30

Deuteranopia (green-blind)

#D2BE4D

Tritanopia (blue-blind)

#BBBDAD

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #b1c843;
/* rgb */ color: rgb(177, 200, 67);
/* oklch */ color: oklch(79.0% 0.157 118.6);

Tailwind

colors: {
  custom: {
    50: '#cbd87e',
    500: '#b1c843',
    950: '#000000',
  },
}

SCSS

$custom: #b1c843;
$custom-light: #cbd87e;
$custom-dark: #000000;

JSON

{
  "hex": "#b1c843",
  "rgb": {
    "r": 177,
    "g": 200,
    "b": 67
  },
  "hsl": {
    "h": 70.376,
    "s": 54.733,
    "l": 52.353
  },
  "oklch": {
    "l": 0.7905,
    "c": 0.15741,
    "h": 118.6
  },
  "luminance": 0.51061
}

Semantic roles & 50–950 ramp

primary

#B1C843

secondary

#423679

accent

#4ADE63

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B1C843

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

Preview Lab → · Contrast checker → · Palette generator →