#B5C531#B5C531

#B5C531 is a light, vivid yellow. Relative luminance 0.500; OKLCH L 78.6% C 0.164 H 115.8°. Best body text is #000000 at 11.00:1 contrast (WCAG AA passes).

Color values

HEX	#B5C531
RGB	rgb(181, 197, 49)
HSL	hsl(66, 60%, 48%)
HSV	hsv(66, 75%, 77%)
CMYK	cmyk(8.1%, 0%, 75.1%, 22.7%)
CIE-LAB	lab(76.06, -23.42, 67.10)
CIE-LCH	lch(76.06, 71.07, 109.24°)
OKLab	oklab(78.56% -0.0712 0.1476)
OKLCH	oklch(78.56% 0.164 115.8)
XYZ	xyz(39.5778, 49.9786, 10.4671)
Luminance	0.4998 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5C531 #4131C5

analogous

#C58B31 #B5C531 #6BC531

triadic

#B5C531 #31B5C5 #C531B5

tetradic

#B5C531 #31C58B #4131C5 #C5316B

square

#B5C531 #31C58B #4131C5 #C5316B

split-complementary

#B5C531 #316BC5 #8B31C5

monochromatic

#5B6319 #889425 #B5C531 #C9D75D #DAE38E

Accessibility & contrast

On white

1.91

#B5C531 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.00

#B5C531 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5C531

11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5C531	#FFFFFF	#000000	##000000
##B5C531	1.00	1.91	11.00	11.00
#FFFFFF	1.91	1.00	21.00	21.00
#000000	11.00	21.00	1.00	1.00
##000000	11.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BB0C

Deuteranopia (green-blind)

#D2BD3E

Tritanopia (blue-blind)

#C1B9A9

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #b5c531;
/* rgb */ color: rgb(181, 197, 49);
/* oklch */ color: oklch(78.6% 0.164 115.8);

Tailwind

colors: {
  custom: {
    50: '#cfd675',
    500: '#b5c531',
    950: '#000000',
  },
}

SCSS

$custom: #b5c531;
$custom-light: #cfd675;
$custom-dark: #000000;

JSON

{
  "hex": "#b5c531",
  "rgb": {
    "r": 181,
    "g": 197,
    "b": 49
  },
  "hsl": {
    "h": 66.486,
    "s": 60.163,
    "l": 48.235
  },
  "oklch": {
    "l": 0.78557,
    "c": 0.16388,
    "h": 115.8
  },
  "luminance": 0.49978
}

Semantic roles & 50–950 ramp

primary

#B5C531

secondary

#8C85CD

accent

#44E356

background

#FDFDF7

surface

#FAFAED

border

#D3D3C8

text

#141409

muted

#83837B

Preview Lab

Preview with #B5C531

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

Preview Lab → · Contrast checker → · Palette generator →