#B5C529#B5C529

#B5C529 is a light, vivid yellow. Relative luminance 0.499; OKLCH L 78.5% C 0.168 H 115.7°. Best body text is #000000 at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#B5C529
RGB	rgb(181, 197, 41)
HSL	hsl(66, 66%, 47%)
HSV	hsv(66, 79%, 77%)
CMYK	cmyk(8.1%, 0%, 79.2%, 22.7%)
CIE-LAB	lab(76.02, -23.74, 69.47)
CIE-LCH	lch(76.02, 73.41, 108.87°)
OKLab	oklab(78.52% -0.0727 0.1512)
OKLCH	oklch(78.52% 0.168 115.7)
XYZ	xyz(39.4237, 49.9170, 9.6555)
Luminance	0.4992 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5C529 #3929C5

analogous

#C58729 #B5C529 #67C529

triadic

#B5C529 #29B5C5 #C529B5

tetradic

#B5C529 #29C587 #3929C5 #C52967

square

#B5C529 #29C587 #3929C5 #C52967

split-complementary

#B5C529 #2967C5 #8729C5

monochromatic

#586014 #86921E #B5C529 #CDDB51 #DBE583

Accessibility & contrast

On white

1.91

#B5C529 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.98

#B5C529 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5C529

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5C529	#FFFFFF	#000000	##000000
##B5C529	1.00	1.91	10.98	10.98
#FFFFFF	1.91	1.00	21.00	21.00
#000000	10.98	21.00	1.00	1.00
##000000	10.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BB00

Deuteranopia (green-blind)

#D2BD38

Tritanopia (blue-blind)

#C1B9A9

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #b5c529;
/* rgb */ color: rgb(181, 197, 41);
/* oklch */ color: oklch(78.5% 0.168 115.7);

Tailwind

colors: {
  custom: {
    50: '#cfd671',
    500: '#b5c529',
    950: '#000000',
  },
}

SCSS

$custom: #b5c529;
$custom-light: #cfd671;
$custom-dark: #000000;

JSON

{
  "hex": "#b5c529",
  "rgb": {
    "r": 181,
    "g": 197,
    "b": 41
  },
  "hsl": {
    "h": 66.154,
    "s": 65.546,
    "l": 46.667
  },
  "oklch": {
    "l": 0.78515,
    "c": 0.16783,
    "h": 115.7
  },
  "luminance": 0.49916
}

Semantic roles & 50–950 ramp

primary

#B5C529

secondary

#847CCE

accent

#3FE851

background

#FDFDF7

surface

#FAFAED

border

#D3D3C8

text

#141409

muted

#83837B

Preview Lab

Preview with #B5C529

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

Preview Lab → · Contrast checker → · Palette generator →