#B1BC29#B1BC29

#B1BC29 is a light, vivid yellow. Relative luminance 0.455; OKLCH L 76.2% C 0.160 H 114.0°. Best body text is #000000 at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#B1BC29
RGB	rgb(177, 188, 41)
HSL	hsl(64, 64%, 45%)
HSV	hsv(64, 78%, 74%)
CMYK	cmyk(5.9%, 0%, 78.2%, 26.3%)
CIE-LAB	lab(73.20, -21.01, 66.84)
CIE-LCH	lch(73.20, 70.06, 107.45°)
OKLab	oklab(76.18% -0.065 0.1458)
OKLCH	oklch(76.18% 0.16 114)
XYZ	xyz(36.5161, 45.4744, 8.9512)
Luminance	0.4547 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1BC29 #3429BC

analogous

#BC7E29 #B1BC29 #67BC29

triadic

#B1BC29 #29B1BC #BC29B1

tetradic

#B1BC29 #29BC7E #3429BC #BC2967

square

#B1BC29 #29BC7E #3429BC #BC2967

split-complementary

#B1BC29 #2967BC #7E29BC

monochromatic

#525813 #828A1E #B1BC29 #CDD84B #DBE37D

Accessibility & contrast

On white

2.08

#B1BC29 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.09

#B1BC29 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1BC29

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1BC29	#FFFFFF	#000000	##000000
##B1BC29	1.00	2.08	10.09	10.09
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.09	21.00	1.00	1.00
##000000	10.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB200

Deuteranopia (green-blind)

#CAB537

Tritanopia (blue-blind)

#BDB0A1

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #b1bc29;
/* rgb */ color: rgb(177, 188, 41);
/* oklch */ color: oklch(76.2% 0.160 114.0);

Tailwind

colors: {
  custom: {
    50: '#ccd070',
    500: '#b1bc29',
    950: '#000000',
  },
}

SCSS

$custom: #b1bc29;
$custom-light: #ccd070;
$custom-dark: #000000;

JSON

{
  "hex": "#b1bc29",
  "rgb": {
    "r": 177,
    "g": 188,
    "b": 41
  },
  "hsl": {
    "h": 64.49,
    "s": 64.192,
    "l": 44.902
  },
  "oklch": {
    "l": 0.7618,
    "c": 0.15961,
    "h": 114
  },
  "luminance": 0.45474
}

Semantic roles & 50–950 ramp

primary

#B1BC29

secondary

#7C76CB

accent

#41E74D

background

#FDFCF7

surface

#FAF9ED

border

#D3D2C8

text

#141308

muted

#83827B

Preview Lab

Preview with #B1BC29

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

Preview Lab → · Contrast checker → · Palette generator →