#B9CF39#B9CF39

#B9CF39 is a light, vivid yellow. Relative luminance 0.552; OKLCH L 81.2% C 0.169 H 117.7°. Best body text is #000000 at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#B9CF39
RGB	rgb(185, 207, 57)
HSL	hsl(69, 61%, 52%)
HSV	hsv(69, 72%, 81%)
CMYK	cmyk(10.6%, 0%, 72.5%, 18.8%)
CIE-LAB	lab(79.18, -26.23, 67.51)
CIE-LCH	lch(79.18, 72.43, 111.23°)
OKLab	oklab(81.15% -0.0785 0.1497)
OKLCH	oklch(81.15% 0.169 117.7)
XYZ	xyz(43.0599, 55.2358, 12.2633)
Luminance	0.5524 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9CF39 #4F39CF

analogous

#CF9A39 #B9CF39 #6ECF39

triadic

#B9CF39 #39B9CF #CF39B9

tetradic

#B9CF39 #39CF9A #4F39CF #CF396E

square

#B9CF39 #39CF9A #4F39CF #CF396E

split-complementary

#B9CF39 #396ECF #9A39CF

monochromatic

#65721C #91A328 #B9CF39 #CADB6A #DCE79C

Accessibility & contrast

On white

1.74

#B9CF39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.05

#B9CF39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9CF39

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9CF39	#FFFFFF	#000000	##000000
##B9CF39	1.00	1.74	12.05	12.05
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.05	21.00	1.00	1.00
##000000	12.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC41B

Deuteranopia (green-blind)

#DBC546

Tritanopia (blue-blind)

#C4C3B2

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #b9cf39;
/* rgb */ color: rgb(185, 207, 57);
/* oklch */ color: oklch(81.2% 0.169 117.7);

Tailwind

colors: {
  custom: {
    50: '#d2dd7a',
    500: '#b9cf39',
    950: '#000000',
  },
}

SCSS

$custom: #b9cf39;
$custom-light: #d2dd7a;
$custom-dark: #000000;

JSON

{
  "hex": "#b9cf39",
  "rgb": {
    "r": 185,
    "g": 207,
    "b": 57
  },
  "hsl": {
    "h": 68.8,
    "s": 60.976,
    "l": 51.765
  },
  "oklch": {
    "l": 0.81151,
    "c": 0.16905,
    "h": 117.7
  },
  "luminance": 0.55235
}

Semantic roles & 50–950 ramp

primary

#B9CF39

secondary

#3C317B

accent

#44E45B

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B9CF39

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

Preview Lab → · Contrast checker → · Palette generator →