#B9CF3B#B9CF3B

#B9CF3B is a light, vivid yellow. Relative luminance 0.553; OKLCH L 81.2% C 0.168 H 117.7°. Best body text is #000000 at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#B9CF3B
RGB	rgb(185, 207, 59)
HSL	hsl(69, 61%, 52%)
HSV	hsv(69, 71%, 81%)
CMYK	cmyk(10.6%, 0%, 71.5%, 18.8%)
CIE-LAB	lab(79.19, -26.13, 66.83)
CIE-LCH	lch(79.19, 71.76, 111.35°)
OKLab	oklab(81.16% -0.0781 0.1486)
OKLCH	oklch(81.16% 0.168 117.7)
XYZ	xyz(43.1108, 55.2561, 12.5313)
Luminance	0.5526 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9CF3B #513BCF

analogous

#CF9B3B #B9CF3B #6FCF3B

triadic

#B9CF3B #3BB9CF #CF3BB9

tetradic

#B9CF3B #3BCF9B #513BCF #CF3B6F

square

#B9CF3B #3BCF9B #513BCF #CF3B6F

split-complementary

#B9CF3B #3B6FCF #9B3BCF

monochromatic

#66731C #92A528 #B9CF3B #CBDB6C #DCE79D

Accessibility & contrast

On white

1.74

#B9CF3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.05

#B9CF3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9CF3B

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9CF3B	#FFFFFF	#000000	##000000
##B9CF3B	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)

#DDC420

Deuteranopia (green-blind)

#DBC547

Tritanopia (blue-blind)

#C4C4B2

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #b9cf3b;
/* rgb */ color: rgb(185, 207, 59);
/* oklch */ color: oklch(81.2% 0.168 117.7);

Tailwind

colors: {
  custom: {
    50: '#d2dd7b',
    500: '#b9cf3b',
    950: '#000000',
  },
}

SCSS

$custom: #b9cf3b;
$custom-light: #d2dd7b;
$custom-dark: #000000;

JSON

{
  "hex": "#b9cf3b",
  "rgb": {
    "r": 185,
    "g": 207,
    "b": 59
  },
  "hsl": {
    "h": 68.919,
    "s": 60.656,
    "l": 52.157
  },
  "oklch": {
    "l": 0.81165,
    "c": 0.16786,
    "h": 117.7
  },
  "luminance": 0.55256
}

Semantic roles & 50–950 ramp

primary

#B9CF3B

secondary

#3D327C

accent

#44E45C

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B9CF3B

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

Preview Lab → · Contrast checker → · Palette generator →