#B1BC33#B1BC33

#B1BC33 is a light, vivid yellow. Relative luminance 0.456; OKLCH L 76.2% C 0.154 H 114.1°. Best body text is #000000 at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#B1BC33
RGB	rgb(177, 188, 51)
HSL	hsl(65, 57%, 47%)
HSV	hsv(65, 73%, 74%)
CMYK	cmyk(5.9%, 0%, 72.9%, 26.3%)
CIE-LAB	lab(73.25, -20.58, 63.68)
CIE-LCH	lch(73.25, 66.93, 107.91°)
OKLab	oklab(76.24% -0.063 0.1408)
OKLCH	oklch(76.24% 0.154 114.1)
XYZ	xyz(36.7133, 45.5533, 9.9900)
Luminance	0.4555 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1BC33 #3E33BC

analogous

#BC8333 #B1BC33 #6CBC33

triadic

#B1BC33 #33B1BC #BC33B1

tetradic

#B1BC33 #33BC83 #3E33BC #BC336C

square

#B1BC33 #33BC83 #3E33BC #BC336C

split-complementary

#B1BC33 #336CBC #8333BC

monochromatic

#565C19 #848C26 #B1BC33 #C9D25A #D8DF8A

Accessibility & contrast

On white

2.08

#B1BC33 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.11

#B1BC33 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1BC33

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1BC33	#FFFFFF	#000000	##000000
##B1BC33	1.00	2.08	10.11	10.11
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.11	21.00	1.00	1.00
##000000	10.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB318

Deuteranopia (green-blind)

#C9B53E

Tritanopia (blue-blind)

#BDB1A2

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #b1bc33;
/* rgb */ color: rgb(177, 188, 51);
/* oklch */ color: oklch(76.2% 0.154 114.1);

Tailwind

colors: {
  custom: {
    50: '#ccd075',
    500: '#b1bc33',
    950: '#000000',
  },
}

SCSS

$custom: #b1bc33;
$custom-light: #ccd075;
$custom-dark: #000000;

JSON

{
  "hex": "#b1bc33",
  "rgb": {
    "r": 177,
    "g": 188,
    "b": 51
  },
  "hsl": {
    "h": 64.818,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.76238,
    "c": 0.15428,
    "h": 114.1
  },
  "luminance": 0.45553
}

Semantic roles & 50–950 ramp

primary

#B1BC33

secondary

#8781C9

accent

#47E154

background

#FCFCF7

surface

#F9F9ED

border

#D2D2C8

text

#141309

muted

#82827B

Preview Lab

Preview with #B1BC33

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

Preview Lab → · Contrast checker → · Palette generator →