#B9C837#B9C837

#B9C837 is a light, vivid yellow. Relative luminance 0.519; OKLCH L 79.6% C 0.163 H 115.4°. Best body text is #000000 at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#B9C837
RGB	rgb(185, 200, 55)
HSL	hsl(66, 57%, 50%)
HSV	hsv(66, 73%, 78%)
CMYK	cmyk(7.5%, 0%, 72.5%, 21.6%)
CIE-LAB	lab(77.22, -22.94, 66.32)
CIE-LCH	lch(77.22, 70.17, 109.08°)
OKLab	oklab(79.58% -0.0696 0.1468)
OKLCH	oklch(79.58% 0.163 115.4)
XYZ	xyz(41.3526, 51.8994, 11.4529)
Luminance	0.5190 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9C837 #4637C8

analogous

#C88F37 #B9C837 #70C837

triadic

#B9C837 #37B9C8 #C837B9

tetradic

#B9C837 #37C88F #4637C8 #C83770

square

#B9C837 #37C88F #4637C8 #C83770

split-complementary

#B9C837 #3770C8 #8F37C8

monochromatic

#60681D #8D982A #B9C837 #CAD567 #DBE297

Accessibility & contrast

On white

1.85

#B9C837 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.38

#B9C837 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9C837

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9C837	#FFFFFF	#000000	##000000
##B9C837	1.00	1.85	11.38	11.38
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.38	21.00	1.00	1.00
##000000	11.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BE1A

Deuteranopia (green-blind)

#D5C043

Tritanopia (blue-blind)

#C5BCAC

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #b9c837;
/* rgb */ color: rgb(185, 200, 55);
/* oklch */ color: oklch(79.6% 0.163 115.4);

Tailwind

colors: {
  custom: {
    50: '#d2d878',
    500: '#b9c837',
    950: '#000000',
  },
}

SCSS

$custom: #b9c837;
$custom-light: #d2d878;
$custom-dark: #000000;

JSON

{
  "hex": "#b9c837",
  "rgb": {
    "r": 185,
    "g": 200,
    "b": 55
  },
  "hsl": {
    "h": 66.207,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.79576,
    "c": 0.1625,
    "h": 115.4
  },
  "luminance": 0.51899
}

Semantic roles & 50–950 ramp

primary

#B9C837

secondary

#383172

accent

#48E057

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#14140A

muted

#83837D

Preview Lab

Preview with #B9C837

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

Preview Lab → · Contrast checker → · Palette generator →