#B9C040#B9C040

#B9C040 is a light, vivid yellow. Relative luminance 0.484; OKLCH L 77.9% C 0.148 H 112.4°. Best body text is #000000 at 10.68:1 contrast (WCAG AA passes).

Color values

HEX	#B9C040
RGB	rgb(185, 192, 64)
HSL	hsl(63, 50%, 50%)
HSV	hsv(63, 67%, 75%)
CMYK	cmyk(3.6%, 0%, 66.7%, 24.7%)
CIE-LAB	lab(75.07, -18.51, 60.88)
CIE-LCH	lch(75.07, 63.63, 106.91°)
OKLab	oklab(77.87% -0.0564 0.1369)
OKLCH	oklch(77.87% 0.148 112.4)
XYZ	xyz(39.7838, 48.3846, 12.0929)
Luminance	0.4838 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9C040 #4740C0

analogous

#C08740 #B9C040 #79C040

triadic

#B9C040 #40B9C0 #C040B9

tetradic

#B9C040 #40C087 #4740C0 #C04079

square

#B9C040 #40C087 #4740C0 #C04079

split-complementary

#B9C040 #4079C0 #8740C0

monochromatic

#616421 #8D9230 #B9C040 #CACF6E #DBDE9C

Accessibility & contrast

On white

1.97

#B9C040 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.68

#B9C040 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9C040

10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9C040	#FFFFFF	#000000	##000000
##B9C040	1.00	1.97	10.68	10.68
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.68	21.00	1.00	1.00
##000000	10.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB72D

Deuteranopia (green-blind)

#CEBA49

Tritanopia (blue-blind)

#C5B5A6

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #b9c040;
/* rgb */ color: rgb(185, 192, 64);
/* oklch */ color: oklch(77.9% 0.148 112.4);

Tailwind

colors: {
  custom: {
    50: '#d1d27c',
    500: '#b9c040',
    950: '#000000',
  },
}

SCSS

$custom: #b9c040;
$custom-light: #d1d27c;
$custom-dark: #000000;

JSON

{
  "hex": "#b9c040",
  "rgb": {
    "r": 185,
    "g": 192,
    "b": 64
  },
  "hsl": {
    "h": 63.281,
    "s": 50.394,
    "l": 50.196
  },
  "oklch": {
    "l": 0.77869,
    "c": 0.14803,
    "h": 112.4
  },
  "luminance": 0.48384
}

Semantic roles & 50–950 ramp

primary

#B9C040

secondary

#9491CB

accent

#4EDA56

background

#FDFCF7

surface

#FAF9EE

border

#D3D2C9

text

#14140A

muted

#83827C

Preview Lab

Preview with #B9C040

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

Preview Lab → · Contrast checker → · Palette generator →