#B3B731#B3B731

#B3B731 is a light, vivid yellow. Relative luminance 0.437; OKLCH L 75.3% C 0.150 H 111.2°. Best body text is #000000 at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#B3B731
RGB	rgb(179, 183, 49)
HSL	hsl(62, 58%, 45%)
HSV	hsv(62, 73%, 72%)
CMYK	cmyk(2.2%, 0%, 73.2%, 28.2%)
CIE-LAB	lab(72.01, -17.32, 63.24)
CIE-LCH	lch(72.01, 65.57, 105.32°)
OKLab	oklab(75.28% -0.0542 0.1395)
OKLCH	oklch(75.28% 0.15 111.2)
XYZ	xyz(36.0795, 43.6734, 9.4344)
Luminance	0.4367 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3B731 #3531B7

analogous

#B77831 #B3B731 #70B731

triadic

#B3B731 #31B3B7 #B731B3

tetradic

#B3B731 #31B778 #3531B7 #B73170

square

#B3B731 #31B778 #3531B7 #B73170

split-complementary

#B3B731 #3170B7 #7831B7

monochromatic

#555617 #848724 #B3B731 #CDD154 #DBDE84

Accessibility & contrast

On white

2.16

#B3B731 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.73

#B3B731 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3B731

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3B731	#FFFFFF	#000000	##000000
##B3B731	1.00	2.16	9.73	9.73
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.73	21.00	1.00	1.00
##000000	9.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5AF16

Deuteranopia (green-blind)

#C6B23C

Tritanopia (blue-blind)

#C0AC9D

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #b3b731;
/* rgb */ color: rgb(179, 183, 49);
/* oklch */ color: oklch(75.3% 0.150 111.2);

Tailwind

colors: {
  custom: {
    50: '#cdcc73',
    500: '#b3b731',
    950: '#000000',
  },
}

SCSS

$custom: #b3b731;
$custom-light: #cdcc73;
$custom-dark: #000000;

JSON

{
  "hex": "#b3b731",
  "rgb": {
    "r": 179,
    "g": 183,
    "b": 49
  },
  "hsl": {
    "h": 61.791,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.75276,
    "c": 0.14965,
    "h": 111.2
  },
  "luminance": 0.43672
}

Semantic roles & 50–950 ramp

primary

#B3B731

secondary

#7F7CC8

accent

#47E14B

background

#FDFCF7

surface

#FAF8ED

border

#D3D1C8

text

#141309

muted

#83827B

Preview Lab

Preview with #B3B731

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

Preview Lab → · Contrast checker → · Palette generator →