#B9C03F#B9C03F

#B9C03F is a light, vivid yellow. Relative luminance 0.484; OKLCH L 77.9% C 0.149 H 112.4°. Best body text is #000000 at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#B9C03F
RGB	rgb(185, 192, 63)
HSL	hsl(63, 51%, 50%)
HSV	hsv(63, 67%, 75%)
CMYK	cmyk(3.6%, 0%, 67.2%, 24.7%)
CIE-LAB	lab(75.06, -18.57, 61.26)
CIE-LCH	lch(75.06, 64.01, 106.86°)
OKLab	oklab(77.86% -0.0567 0.1375)
OKLCH	oklch(77.86% 0.149 112.4)
XYZ	xyz(39.7556, 48.3733, 11.9444)
Luminance	0.4837 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9C03F #463FC0

analogous

#C0873F #B9C03F #78C03F

triadic

#B9C03F #3FB9C0 #C03FB9

tetradic

#B9C03F #3FC087 #463FC0 #C03F78

square

#B9C03F #3FC087 #463FC0 #C03F78

split-complementary

#B9C03F #3F78C0 #873FC0

monochromatic

#606421 #8D9230 #B9C03F #CACF6D #DBDE9B

Accessibility & contrast

On white

1.97

#B9C03F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.67

#B9C03F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9C03F

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9C03F	#FFFFFF	#000000	##000000
##B9C03F	1.00	1.97	10.67	10.67
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.67	21.00	1.00	1.00
##000000	10.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB72C

Deuteranopia (green-blind)

#CEBA48

Tritanopia (blue-blind)

#C5B5A6

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #b9c03f;
/* rgb */ color: rgb(185, 192, 63);
/* oklch */ color: oklch(77.9% 0.149 112.4);

Tailwind

colors: {
  custom: {
    50: '#d1d27b',
    500: '#b9c03f',
    950: '#000000',
  },
}

SCSS

$custom: #b9c03f;
$custom-light: #d1d27b;
$custom-dark: #000000;

JSON

{
  "hex": "#b9c03f",
  "rgb": {
    "r": 185,
    "g": 192,
    "b": 63
  },
  "hsl": {
    "h": 63.256,
    "s": 50.588,
    "l": 50
  },
  "oklch": {
    "l": 0.77861,
    "c": 0.14872,
    "h": 112.4
  },
  "luminance": 0.48372
}

Semantic roles & 50–950 ramp

primary

#B9C03F

secondary

#9491CA

accent

#4EDA55

background

#FDFCF7

surface

#FAF9EE

border

#D3D2C9

text

#14140A

muted

#83827C

Preview Lab

Preview with #B9C03F

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

Preview Lab → · Contrast checker → · Palette generator →