#B9C537#B9C537

#B9C537 is a light, vivid yellow. Relative luminance 0.505; OKLCH L 78.9% C 0.159 H 114.3°. Best body text is #000000 at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#B9C537
RGB	rgb(185, 197, 55)
HSL	hsl(65, 56%, 49%)
HSV	hsv(65, 72%, 77%)
CMYK	cmyk(6.1%, 0%, 72.1%, 22.7%)
CIE-LAB	lab(76.39, -21.47, 65.52)
CIE-LCH	lch(76.39, 68.95, 108.15°)
OKLab	oklab(78.91% -0.0655 0.1452)
OKLCH	oklch(78.91% 0.159 114.3)
XYZ	xyz(40.6646, 50.5234, 11.2235)
Luminance	0.5052 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9C537 #4337C5

analogous

#C58A37 #B9C537 #72C537

triadic

#B9C537 #37B9C5 #C537B9

tetradic

#B9C537 #37C58A #4337C5 #C53772

square

#B9C537 #37C58A #4337C5 #C53772

split-complementary

#B9C537 #3772C5 #8A37C5

monochromatic

#5F651C #8C952A #B9C537 #CBD465 #DBE195

Accessibility & contrast

On white

1.89

#B9C537 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.10

#B9C537 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9C537

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9C537	#FFFFFF	#000000	##000000
##B9C537	1.00	1.89	11.10	11.10
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.10	21.00	1.00	1.00
##000000	11.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BB1C

Deuteranopia (green-blind)

#D3BE42

Tritanopia (blue-blind)

#C5B9AA

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #b9c537;
/* rgb */ color: rgb(185, 197, 55);
/* oklch */ color: oklch(78.9% 0.159 114.3);

Tailwind

colors: {
  custom: {
    50: '#d2d678',
    500: '#b9c537',
    950: '#000000',
  },
}

SCSS

$custom: #b9c537;
$custom-light: #d2d678;
$custom-dark: #000000;

JSON

{
  "hex": "#b9c537",
  "rgb": {
    "r": 185,
    "g": 197,
    "b": 55
  },
  "hsl": {
    "h": 65.07,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.7891,
    "c": 0.15926,
    "h": 114.3
  },
  "luminance": 0.50523
}

Semantic roles & 50–950 ramp

primary

#B9C537

secondary

#363170

accent

#48E055

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#141409

muted

#83837D

Preview Lab

Preview with #B9C537

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

Preview Lab → · Contrast checker → · Palette generator →