#B9C640#B9C640

#B9C640 is a light, vivid yellow. Relative luminance 0.511; OKLCH L 79.2% C 0.155 H 114.8°. Best body text is #000000 at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#B9C640
RGB	rgb(185, 198, 64)
HSL	hsl(66, 54%, 51%)
HSV	hsv(66, 68%, 78%)
CMYK	cmyk(6.6%, 0%, 67.7%, 22.4%)
CIE-LAB	lab(76.72, -21.49, 62.56)
CIE-LCH	lch(76.72, 66.15, 108.95°)
OKLab	oklab(79.2% -0.0647 0.1404)
OKLCH	oklch(79.2% 0.155 114.8)
XYZ	xyz(41.1281, 51.0733, 12.5411)
Luminance	0.5107 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9C640 #4D40C6

analogous

#C69040 #B9C640 #76C640

triadic

#B9C640 #40B9C6 #C640B9

tetradic

#B9C640 #40C690 #4D40C6 #C64076

square

#B9C640 #40C690 #4D40C6 #C64076

split-complementary

#B9C640 #4076C6 #9040C6

monochromatic

#646C20 #909B2E #B9C640 #CAD46F #DCE29E

Accessibility & contrast

On white

1.87

#B9C640 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.21

#B9C640 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9C640

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9C640	#FFFFFF	#000000	##000000
##B9C640	1.00	1.87	11.21	11.21
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.21	21.00	1.00	1.00
##000000	11.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BC2C

Deuteranopia (green-blind)

#D3BF4A

Tritanopia (blue-blind)

#C5BBAB

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #b9c640;
/* rgb */ color: rgb(185, 198, 64);
/* oklch */ color: oklch(79.2% 0.155 114.8);

Tailwind

colors: {
  custom: {
    50: '#d1d77c',
    500: '#b9c640',
    950: '#000000',
  },
}

SCSS

$custom: #b9c640;
$custom-light: #d1d77c;
$custom-dark: #000000;

JSON

{
  "hex": "#b9c640",
  "rgb": {
    "r": 185,
    "g": 198,
    "b": 64
  },
  "hsl": {
    "h": 65.821,
    "s": 54.032,
    "l": 51.373
  },
  "oklch": {
    "l": 0.79196,
    "c": 0.1546,
    "h": 114.8
  },
  "luminance": 0.51073
}

Semantic roles & 50–950 ramp

primary

#B9C640

secondary

#3B3575

accent

#4ADD59

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B9C640

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

Preview Lab → · Contrast checker → · Palette generator →