#B9C831#B9C831

#B9C831 is a light, vivid yellow. Relative luminance 0.518; OKLCH L 79.5% C 0.166 H 115.3°. Best body text is #000000 at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#B9C831
RGB	rgb(185, 200, 49)
HSL	hsl(66, 61%, 49%)
HSV	hsv(66, 76%, 78%)
CMYK	cmyk(7.5%, 0%, 75.5%, 21.6%)
CIE-LAB	lab(77.19, -23.22, 68.26)
CIE-LCH	lch(77.19, 72.10, 108.78°)
OKLab	oklab(79.54% -0.0709 0.1499)
OKLCH	oklch(79.54% 0.166 115.3)
XYZ	xyz(41.2174, 51.8453, 10.7410)
Luminance	0.5184 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9C831 #4031C8

analogous

#C88C31 #B9C831 #6EC831

triadic

#B9C831 #31B9C8 #C831B9

tetradic

#B9C831 #31C88C #4031C8 #C8316E

square

#B9C831 #31C88C #4031C8 #C8316E

split-complementary

#B9C831 #316EC8 #8C31C8

monochromatic

#5E6619 #8C9725 #B9C831 #CCD85F #DBE490

Accessibility & contrast

On white

1.85

#B9C831 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.37

#B9C831 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9C831

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9C831	#FFFFFF	#000000	##000000
##B9C831	1.00	1.85	11.37	11.37
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.37	21.00	1.00	1.00
##000000	11.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BE09

Deuteranopia (green-blind)

#D5C03E

Tritanopia (blue-blind)

#C5BCAC

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #b9c831;
/* rgb */ color: rgb(185, 200, 49);
/* oklch */ color: oklch(79.5% 0.166 115.3);

Tailwind

colors: {
  custom: {
    50: '#d2d875',
    500: '#b9c831',
    950: '#000000',
  },
}

SCSS

$custom: #b9c831;
$custom-light: #d2d875;
$custom-dark: #000000;

JSON

{
  "hex": "#b9c831",
  "rgb": {
    "r": 185,
    "g": 200,
    "b": 49
  },
  "hsl": {
    "h": 65.96,
    "s": 60.643,
    "l": 48.824
  },
  "oklch": {
    "l": 0.7954,
    "c": 0.16582,
    "h": 115.3
  },
  "luminance": 0.51845
}

Semantic roles & 50–950 ramp

primary

#B9C831

secondary

#342D70

accent

#44E454

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#151409

muted

#84837D

Preview Lab

Preview with #B9C831

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

Preview Lab → · Contrast checker → · Palette generator →