#B1C040#B1C040

#B1C040 is a light, vivid yellow. Relative luminance 0.474; OKLCH L 77.2% C 0.150 H 115.8°. Best body text is #000000 at 10.48:1 contrast (WCAG AA passes).

Color values

HEX	#B1C040
RGB	rgb(177, 192, 64)
HSL	hsl(67, 50%, 50%)
HSV	hsv(67, 67%, 75%)
CMYK	cmyk(7.8%, 0%, 66.7%, 24.7%)
CIE-LAB	lab(74.46, -21.85, 60.06)
CIE-LCH	lch(74.46, 63.91, 110.00°)
OKLab	oklab(77.23% -0.0653 0.1353)
OKLCH	oklch(77.23% 0.15 115.8)
XYZ	xyz(37.9074, 47.4171, 12.0050)
Luminance	0.4742 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1C040 #4F40C0

analogous

#C08F40 #B1C040 #71C040

triadic

#B1C040 #40B1C0 #C040B1

tetradic

#B1C040 #40C08F #4F40C0 #C04071

square

#B1C040 #40C08F #4F40C0 #C04071

split-complementary

#B1C040 #4071C0 #8F40C0

monochromatic

#5D6421 #879230 #B1C040 #C4CF6E #D7DE9C

Accessibility & contrast

On white

2.00

#B1C040 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.48

#B1C040 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1C040

10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1C040	#FFFFFF	#000000	##000000
##B1C040	1.00	2.00	10.48	10.48
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.48	21.00	1.00	1.00
##000000	10.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB62E

Deuteranopia (green-blind)

#CCB849

Tritanopia (blue-blind)

#BCB5A6

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #b1c040;
/* rgb */ color: rgb(177, 192, 64);
/* oklch */ color: oklch(77.2% 0.150 115.8);

Tailwind

colors: {
  custom: {
    50: '#cbd27c',
    500: '#b1c040',
    950: '#000000',
  },
}

SCSS

$custom: #b1c040;
$custom-light: #cbd27c;
$custom-dark: #000000;

JSON

{
  "hex": "#b1c040",
  "rgb": {
    "r": 177,
    "g": 192,
    "b": 64
  },
  "hsl": {
    "h": 67.031,
    "s": 50.394,
    "l": 50.196
  },
  "oklch": {
    "l": 0.77228,
    "c": 0.15027,
    "h": 115.8
  },
  "luminance": 0.47417
}

Semantic roles & 50–950 ramp

primary

#B1C040

secondary

#9891CB

accent

#4EDA5E

background

#FCFCF7

surface

#F9F9EE

border

#D2D2C9

text

#14140A

muted

#82827C

Preview Lab

Preview with #B1C040

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

Preview Lab → · Contrast checker → · Palette generator →