#B3B531#B3B531

#B3B531 is a light, vivid yellow. Relative luminance 0.429; OKLCH L 74.8% C 0.148 H 110.4°. Best body text is #000000 at 9.57:1 contrast (WCAG AA passes).

Color values

HEX	#B3B531
RGB	rgb(179, 181, 49)
HSL	hsl(61, 57%, 45%)
HSV	hsv(61, 73%, 71%)
CMYK	cmyk(1.1%, 0%, 72.9%, 29%)
CIE-LAB	lab(71.46, -16.31, 62.71)
CIE-LCH	lch(71.46, 64.80, 104.58°)
OKLab	oklab(74.83% -0.0514 0.1384)
OKLCH	oklch(74.83% 0.148 110.4)
XYZ	xyz(35.6699, 42.8542, 9.2978)
Luminance	0.4285 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3B531 #3331B5

analogous

#B57531 #B3B531 #71B531

triadic

#B3B531 #31B3B5 #B531B3

tetradic

#B3B531 #31B575 #3331B5 #B53171

square

#B3B531 #31B575 #3331B5 #B53171

split-complementary

#B3B531 #3171B5 #7531B5

monochromatic

#545517 #838524 #B3B531 #CED053 #DCDD83

Accessibility & contrast

On white

2.19

#B3B531 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.57

#B3B531 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3B531

9.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3B531	#FFFFFF	#000000	##000000
##B3B531	1.00	2.19	9.57	9.57
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.57	21.00	1.00	1.00
##000000	9.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AD17

Deuteranopia (green-blind)

#C5B13B

Tritanopia (blue-blind)

#C0A99C

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #b3b531;
/* rgb */ color: rgb(179, 181, 49);
/* oklch */ color: oklch(74.8% 0.148 110.4);

Tailwind

colors: {
  custom: {
    50: '#cdca73',
    500: '#b3b531',
    950: '#000000',
  },
}

SCSS

$custom: #b3b531;
$custom-light: #cdca73;
$custom-dark: #000000;

JSON

{
  "hex": "#b3b531",
  "rgb": {
    "r": 179,
    "g": 181,
    "b": 49
  },
  "hsl": {
    "h": 60.909,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.74833,
    "c": 0.14761,
    "h": 110.4
  },
  "luminance": 0.42853
}

Semantic roles & 50–950 ramp

primary

#B3B531

secondary

#7C7BC7

accent

#47E149

background

#FDFCF7

surface

#FAF8ED

border

#D3D1C8

text

#141309

muted

#83827B

Preview Lab

Preview with #B3B531

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

Preview Lab → · Contrast checker → · Palette generator →