#B1BC40#B1BC40

#B1BC40 is a light, vivid yellow. Relative luminance 0.457; OKLCH L 76.3% C 0.146 H 114.2°. Best body text is #000000 at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#B1BC40
RGB	rgb(177, 188, 64)
HSL	hsl(65, 49%, 49%)
HSV	hsv(65, 66%, 74%)
CMYK	cmyk(5.9%, 0%, 66%, 26.3%)
CIE-LAB	lab(73.34, -19.87, 58.91)
CIE-LCH	lch(73.34, 62.17, 108.64°)
OKLab	oklab(76.33% -0.0597 0.1329)
OKLCH	oklch(76.33% 0.146 114.2)
XYZ	xyz(37.0411, 45.6844, 11.7162)
Luminance	0.4568 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1BC40 #4B40BC

analogous

#BC8940 #B1BC40 #73BC40

triadic

#B1BC40 #40B1BC #BC40B1

tetradic

#B1BC40 #40BC89 #4B40BC #BC4073

square

#B1BC40 #40BC89 #4B40BC #BC4073

split-complementary

#B1BC40 #4073BC #8940BC

monochromatic

#5B6121 #868E30 #B1BC40 #C4CD6C #D7DD9A

Accessibility & contrast

On white

2.07

#B1BC40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.14

#B1BC40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1BC40

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1BC40	#FFFFFF	#000000	##000000
##B1BC40	1.00	2.07	10.14	10.14
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.14	21.00	1.00	1.00
##000000	10.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B32F

Deuteranopia (green-blind)

#C9B549

Tritanopia (blue-blind)

#BCB1A3

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #b1bc40;
/* rgb */ color: rgb(177, 188, 64);
/* oklch */ color: oklch(76.3% 0.146 114.2);

Tailwind

colors: {
  custom: {
    50: '#cbd07b',
    500: '#b1bc40',
    950: '#000000',
  },
}

SCSS

$custom: #b1bc40;
$custom-light: #cbd07b;
$custom-dark: #000000;

JSON

{
  "hex": "#b1bc40",
  "rgb": {
    "r": 177,
    "g": 188,
    "b": 64
  },
  "hsl": {
    "h": 65.323,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.76334,
    "c": 0.14573,
    "h": 114.2
  },
  "luminance": 0.45684
}

Semantic roles & 50–950 ramp

primary

#B1BC40

secondary

#948FC9

accent

#4FD95B

background

#FCFCF7

surface

#F9F9EE

border

#D2D2C9

text

#14130A

muted

#82827C

Preview Lab

Preview with #B1BC40

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

Preview Lab → · Contrast checker → · Palette generator →