#B1BC2B#B1BC2B

#B1BC2B is a light, vivid yellow. Relative luminance 0.455; OKLCH L 76.2% C 0.159 H 114.0°. Best body text is #000000 at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#B1BC2B
RGB	rgb(177, 188, 43)
HSL	hsl(65, 63%, 45%)
HSV	hsv(65, 77%, 74%)
CMYK	cmyk(5.9%, 0%, 77.1%, 26.3%)
CIE-LAB	lab(73.21, -20.93, 66.25)
CIE-LCH	lch(73.21, 69.47, 107.54°)
OKLab	oklab(76.19% -0.0646 0.1449)
OKLCH	oklch(76.19% 0.159 114)
XYZ	xyz(36.5519, 45.4887, 9.1397)
Luminance	0.4549 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1BC2B #362BBC

analogous

#BC7F2B #B1BC2B #68BC2B

triadic

#B1BC2B #2BB1BC #BC2BB1

tetradic

#B1BC2B #2BBC7F #362BBC #BC2B68

square

#B1BC2B #2BBC7F #362BBC #BC2B68

split-complementary

#B1BC2B #2B68BC #7F2BBC

monochromatic

#535814 #828A20 #B1BC2B #CCD64E #DAE280

Accessibility & contrast

On white

2.08

#B1BC2B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.10

#B1BC2B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1BC2B

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1BC2B	#FFFFFF	#000000	##000000
##B1BC2B	1.00	2.08	10.10	10.10
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.10	21.00	1.00	1.00
##000000	10.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB300

Deuteranopia (green-blind)

#CAB538

Tritanopia (blue-blind)

#BDB1A1

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #b1bc2b;
/* rgb */ color: rgb(177, 188, 43);
/* oklch */ color: oklch(76.2% 0.159 114.0);

Tailwind

colors: {
  custom: {
    50: '#ccd071',
    500: '#b1bc2b',
    950: '#000000',
  },
}

SCSS

$custom: #b1bc2b;
$custom-light: #ccd071;
$custom-dark: #000000;

JSON

{
  "hex": "#b1bc2b",
  "rgb": {
    "r": 177,
    "g": 188,
    "b": 43
  },
  "hsl": {
    "h": 64.552,
    "s": 62.771,
    "l": 45.294
  },
  "oklch": {
    "l": 0.76191,
    "c": 0.15863,
    "h": 114
  },
  "luminance": 0.45488
}

Semantic roles & 50–950 ramp

primary

#B1BC2B

secondary

#7F78CB

accent

#42E64E

background

#FDFCF7

surface

#FAF9ED

border

#D3D2C8

text

#141308

muted

#83827B

Preview Lab

Preview with #B1BC2B

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

Preview Lab → · Contrast checker → · Palette generator →