#B1BC37#B1BC37

#B1BC37 is a light, vivid yellow. Relative luminance 0.456; OKLCH L 76.3% C 0.152 H 114.1°. Best body text is #000000 at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#B1BC37
RGB	rgb(177, 188, 55)
HSL	hsl(65, 55%, 48%)
HSV	hsv(65, 71%, 74%)
CMYK	cmyk(5.9%, 0%, 70.7%, 26.3%)
CIE-LAB	lab(73.28, -20.38, 62.29)
CIE-LCH	lch(73.28, 65.54, 108.12°)
OKLab	oklab(76.27% -0.0621 0.1386)
OKLCH	oklch(76.27% 0.152 114.1)
XYZ	xyz(36.8053, 45.5901, 10.4746)
Luminance	0.4559 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1BC37 #4237BC

analogous

#BC8437 #B1BC37 #6FBC37

triadic

#B1BC37 #37B1BC #BC37B1

tetradic

#B1BC37 #37BC84 #4237BC #BC376F

square

#B1BC37 #37BC84 #4237BC #BC376F

split-complementary

#B1BC37 #376FBC #8437BC

monochromatic

#585D1B #848D29 #B1BC37 #C7D060 #D8DE8F

Accessibility & contrast

On white

2.08

#B1BC37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.12

#B1BC37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1BC37

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1BC37	#FFFFFF	#000000	##000000
##B1BC37	1.00	2.08	10.12	10.12
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.12	21.00	1.00	1.00
##000000	10.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB320

Deuteranopia (green-blind)

#C9B541

Tritanopia (blue-blind)

#BDB1A2

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #b1bc37;
/* rgb */ color: rgb(177, 188, 55);
/* oklch */ color: oklch(76.3% 0.152 114.1);

Tailwind

colors: {
  custom: {
    50: '#ccd077',
    500: '#b1bc37',
    950: '#000000',
  },
}

SCSS

$custom: #b1bc37;
$custom-light: #ccd077;
$custom-dark: #000000;

JSON

{
  "hex": "#b1bc37",
  "rgb": {
    "r": 177,
    "g": 188,
    "b": 55
  },
  "hsl": {
    "h": 64.962,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.76265,
    "c": 0.15185,
    "h": 114.1
  },
  "luminance": 0.45589
}

Semantic roles & 50–950 ramp

primary

#B1BC37

secondary

#8B86C9

accent

#4ADE56

background

#FCFCF7

surface

#F9F9EE

border

#D2D2C9

text

#141309

muted

#82827B

Preview Lab

Preview with #B1BC37

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

Preview Lab → · Contrast checker → · Palette generator →