#B9C840#B9C840

#B9C840 is a light, vivid yellow. Relative luminance 0.520; OKLCH L 79.6% C 0.157 H 115.5°. Best body text is #000000 at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#B9C840
RGB	rgb(185, 200, 64)
HSL	hsl(67, 55%, 52%)
HSV	hsv(67, 68%, 78%)
CMYK	cmyk(7.5%, 0%, 68%, 21.6%)
CIE-LAB	lab(77.28, -22.47, 63.12)
CIE-LCH	lch(77.28, 67.00, 109.59°)
OKLab	oklab(79.64% -0.0675 0.1416)
OKLCH	oklch(79.64% 0.157 115.5)
XYZ	xyz(41.5883, 51.9937, 12.6944)
Luminance	0.5199 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9C840 #4F40C8

analogous

#C89340 #B9C840 #75C840

triadic

#B9C840 #40B9C8 #C840B9

tetradic

#B9C840 #40C893 #4F40C8 #C84075

square

#B9C840 #40C893 #4F40C8 #C84075

split-complementary

#B9C840 #4075C8 #9340C8

monochromatic

#656E20 #919D2D #B9C840 #CAD670 #DCE39F

Accessibility & contrast

On white

1.84

#B9C840 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.40

#B9C840 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9C840

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9C840	#FFFFFF	#000000	##000000
##B9C840	1.00	1.84	11.40	11.40
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.40	21.00	1.00	1.00
##000000	11.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BE2B

Deuteranopia (green-blind)

#D5C04A

Tritanopia (blue-blind)

#C5BDAD

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #b9c840;
/* rgb */ color: rgb(185, 200, 64);
/* oklch */ color: oklch(79.6% 0.157 115.5);

Tailwind

colors: {
  custom: {
    50: '#d1d87d',
    500: '#b9c840',
    950: '#000000',
  },
}

SCSS

$custom: #b9c840;
$custom-light: #d1d87d;
$custom-dark: #000000;

JSON

{
  "hex": "#b9c840",
  "rgb": {
    "r": 185,
    "g": 200,
    "b": 64
  },
  "hsl": {
    "h": 66.618,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.7964,
    "c": 0.15683,
    "h": 115.5
  },
  "luminance": 0.51993
}

Semantic roles & 50–950 ramp

primary

#B9C840

secondary

#3C3577

accent

#49DF5A

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B9C840

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

Preview Lab → · Contrast checker → · Palette generator →