#B1BC31#B1BC31

#B1BC31 is a light, vivid yellow. Relative luminance 0.455; OKLCH L 76.2% C 0.155 H 114.1°. Best body text is #000000 at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#B1BC31
RGB	rgb(177, 188, 49)
HSL	hsl(65, 59%, 46%)
HSV	hsv(65, 74%, 74%)
CMYK	cmyk(5.9%, 0%, 73.9%, 26.3%)
CIE-LAB	lab(73.24, -20.68, 64.35)
CIE-LCH	lch(73.24, 67.59, 107.81°)
OKLab	oklab(76.22% -0.0634 0.1419)
OKLCH	oklch(76.22% 0.155 114.1)
XYZ	xyz(36.6701, 45.5360, 9.7627)
Luminance	0.4553 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1BC31 #3C31BC

analogous

#BC8231 #B1BC31 #6CBC31

triadic

#B1BC31 #31B1BC #BC31B1

tetradic

#B1BC31 #31BC82 #3C31BC #BC316C

square

#B1BC31 #31BC82 #3C31BC #BC316C

split-complementary

#B1BC31 #316CBC #8231BC

monochromatic

#565B18 #838B24 #B1BC31 #C9D357 #D9E088

Accessibility & contrast

On white

2.08

#B1BC31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.11

#B1BC31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1BC31

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1BC31	#FFFFFF	#000000	##000000
##B1BC31	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)

#CAB313

Deuteranopia (green-blind)

#C9B53D

Tritanopia (blue-blind)

#BDB1A2

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #b1bc31;
/* rgb */ color: rgb(177, 188, 49);
/* oklch */ color: oklch(76.2% 0.155 114.1);

Tailwind

colors: {
  custom: {
    50: '#ccd074',
    500: '#b1bc31',
    950: '#000000',
  },
}

SCSS

$custom: #b1bc31;
$custom-light: #ccd074;
$custom-dark: #000000;

JSON

{
  "hex": "#b1bc31",
  "rgb": {
    "r": 177,
    "g": 188,
    "b": 49
  },
  "hsl": {
    "h": 64.748,
    "s": 58.65,
    "l": 46.471
  },
  "oklch": {
    "l": 0.76225,
    "c": 0.15544,
    "h": 114.1
  },
  "luminance": 0.45535
}

Semantic roles & 50–950 ramp

primary

#B1BC31

secondary

#857FCA

accent

#46E252

background

#FDFCF7

surface

#FAF9ED

border

#D3D2C8

text

#141309

muted

#83827B

Preview Lab

Preview with #B1BC31

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

Preview Lab → · Contrast checker → · Palette generator →