#B9CF33#B9CF33

#B9CF33 is a light, vivid yellow. Relative luminance 0.552; OKLCH L 81.1% C 0.172 H 117.6°. Best body text is #000000 at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#B9CF33
RGB	rgb(185, 207, 51)
HSL	hsl(68, 62%, 51%)
HSV	hsv(68, 75%, 81%)
CMYK	cmyk(10.6%, 0%, 75.4%, 18.8%)
CIE-LAB	lab(79.14, -26.51, 69.45)
CIE-LCH	lch(79.14, 74.33, 110.89°)
OKLab	oklab(81.12% -0.0798 0.1528)
OKLCH	oklch(81.12% 0.172 117.6)
XYZ	xyz(42.9190, 55.1794, 11.5211)
Luminance	0.5518 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9CF33 #4933CF

analogous

#CF9733 #B9CF33 #6BCF33

triadic

#B9CF33 #33B9CF #CF33B9

tetradic

#B9CF33 #33CF97 #4933CF #CF336B

square

#B9CF33 #33CF97 #4933CF #CF336B

split-complementary

#B9CF33 #336BCF #9733CF

monochromatic

#626E1A #8E9F25 #B9CF33 #CADB65 #DBE696

Accessibility & contrast

On white

1.74

#B9CF33 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.04

#B9CF33 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9CF33

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9CF33	#FFFFFF	#000000	##000000
##B9CF33	1.00	1.74	12.04	12.04
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.04	21.00	1.00	1.00
##000000	12.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC40A

Deuteranopia (green-blind)

#DBC541

Tritanopia (blue-blind)

#C5C3B2

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #b9cf33;
/* rgb */ color: rgb(185, 207, 51);
/* oklch */ color: oklch(81.1% 0.172 117.6);

Tailwind

colors: {
  custom: {
    50: '#d2dd77',
    500: '#b9cf33',
    950: '#000000',
  },
}

SCSS

$custom: #b9cf33;
$custom-light: #d2dd77;
$custom-dark: #000000;

JSON

{
  "hex": "#b9cf33",
  "rgb": {
    "r": 185,
    "g": 207,
    "b": 51
  },
  "hsl": {
    "h": 68.462,
    "s": 61.905,
    "l": 50.588
  },
  "oklch": {
    "l": 0.81115,
    "c": 0.17237,
    "h": 117.6
  },
  "luminance": 0.55179
}

Semantic roles & 50–950 ramp

primary

#B9CF33

secondary

#392F77

accent

#43E55A

background

#FEFEFB

surface

#FBFCF1

border

#D4D5CB

text

#151509

muted

#84847D

Preview Lab

Preview with #B9CF33

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

Preview Lab → · Contrast checker → · Palette generator →