#B9C23B#B9C23B

#B9C23B is a light, vivid yellow. Relative luminance 0.492; OKLCH L 78.3% C 0.154 H 113.2°. Best body text is #000000 at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#B9C23B
RGB	rgb(185, 194, 59)
HSL	hsl(64, 53%, 50%)
HSV	hsv(64, 70%, 76%)
CMYK	cmyk(4.6%, 0%, 69.6%, 23.9%)
CIE-LAB	lab(75.58, -19.79, 63.30)
CIE-LCH	lch(75.58, 66.32, 107.36°)
OKLab	oklab(78.27% -0.0605 0.1412)
OKLCH	oklch(78.27% 0.154 113.2)
XYZ	xyz(40.0900, 49.2145, 11.5243)
Luminance	0.4921 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9C23B #443BC2

analogous

#C2883B #B9C23B #76C23B

triadic

#B9C23B #3BB9C2 #C23BB9

tetradic

#B9C23B #3BC288 #443BC2 #C23B76

square

#B9C23B #3BC288 #443BC2 #C23B76

split-complementary

#B9C23B #3B76C2 #883BC2

monochromatic

#5F641E #8C932D #B9C23B #CAD169 #DBE098

Accessibility & contrast

On white

1.94

#B9C23B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.84

#B9C23B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9C23B

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9C23B	#FFFFFF	#000000	##000000
##B9C23B	1.00	1.94	10.84	10.84
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.84	21.00	1.00	1.00
##000000	10.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B925

Deuteranopia (green-blind)

#D0BC45

Tritanopia (blue-blind)

#C5B6A7

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #b9c23b;
/* rgb */ color: rgb(185, 194, 59);
/* oklch */ color: oklch(78.3% 0.154 113.2);

Tailwind

colors: {
  custom: {
    50: '#d1d479',
    500: '#b9c23b',
    950: '#000000',
  },
}

SCSS

$custom: #b9c23b;
$custom-light: #d1d479;
$custom-dark: #000000;

JSON

{
  "hex": "#b9c23b",
  "rgb": {
    "r": 185,
    "g": 194,
    "b": 59
  },
  "hsl": {
    "h": 64,
    "s": 53.36,
    "l": 49.608
  },
  "oklch": {
    "l": 0.78272,
    "c": 0.15356,
    "h": 113.2
  },
  "luminance": 0.49214
}

Semantic roles & 50–950 ramp

primary

#B9C23B

secondary

#928ECB

accent

#4BDD55

background

#FDFCF7

surface

#FAF9EE

border

#D3D2C9

text

#14140A

muted

#83827C

Preview Lab

Preview with #B9C23B

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

Preview Lab → · Contrast checker → · Palette generator →