#B1BC23#B1BC23

#B1BC23 is a light, vivid yellow. Relative luminance 0.454; OKLCH L 76.2% C 0.162 H 114.0°. Best body text is #000000 at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#B1BC23
RGB	rgb(177, 188, 35)
HSL	hsl(64, 69%, 44%)
HSV	hsv(64, 81%, 74%)
CMYK	cmyk(5.9%, 0%, 81.4%, 26.3%)
CIE-LAB	lab(73.18, -21.23, 68.48)
CIE-LCH	lch(73.18, 71.69, 107.22°)
OKLab	oklab(76.15% -0.066 0.1482)
OKLCH	oklch(76.15% 0.162 114)
XYZ	xyz(36.4192, 45.4357, 8.4412)
Luminance	0.4543 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1BC23 #2E23BC

analogous

#BC7A23 #B1BC23 #64BC23

triadic

#B1BC23 #23B1BC #BC23B1

tetradic

#B1BC23 #23BC7A #2E23BC #BC2364

square

#B1BC23 #23BC7A #2E23BC #BC2364

split-complementary

#B1BC23 #2364BC #7A23BC

monochromatic

#505510 #808819 #B1BC23 #D0DC41 #DDE574

Accessibility & contrast

On white

2.08

#B1BC23 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.09

#B1BC23 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1BC23

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1BC23	#FFFFFF	#000000	##000000
##B1BC23	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)

#CAB533

Tritanopia (blue-blind)

#BDB0A1

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #b1bc23;
/* rgb */ color: rgb(177, 188, 35);
/* oklch */ color: oklch(76.2% 0.162 114.0);

Tailwind

colors: {
  custom: {
    50: '#ccd06e',
    500: '#b1bc23',
    950: '#000000',
  },
}

SCSS

$custom: #b1bc23;
$custom-light: #ccd06e;
$custom-dark: #000000;

JSON

{
  "hex": "#b1bc23",
  "rgb": {
    "r": 177,
    "g": 188,
    "b": 35
  },
  "hsl": {
    "h": 64.314,
    "s": 68.61,
    "l": 43.725
  },
  "oklch": {
    "l": 0.76152,
    "c": 0.16228,
    "h": 114
  },
  "luminance": 0.45435
}

Semantic roles & 50–950 ramp

primary

#B1BC23

secondary

#756FCC

accent

#3CEB49

background

#FDFCF7

surface

#FAF9ED

border

#D3D2C8

text

#141308

muted

#83827B

Preview Lab

Preview with #B1BC23

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

Preview Lab → · Contrast checker → · Palette generator →