#B5C52F#B5C52F

#B5C52F is a light, vivid yellow. Relative luminance 0.500; OKLCH L 78.5% C 0.165 H 115.7°. Best body text is #000000 at 10.99:1 contrast (WCAG AA passes).

Color values

HEX	#B5C52F
RGB	rgb(181, 197, 47)
HSL	hsl(66, 61%, 48%)
HSV	hsv(66, 76%, 77%)
CMYK	cmyk(8.1%, 0%, 76.1%, 22.7%)
CIE-LAB	lab(76.05, -23.51, 67.72)
CIE-LCH	lch(76.05, 71.68, 109.14°)
OKLab	oklab(78.55% -0.0716 0.1486)
OKLCH	oklch(78.55% 0.165 115.7)
XYZ	xyz(39.5365, 49.9621, 10.2497)
Luminance	0.4996 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5C52F #3F2FC5

analogous

#C58A2F #B5C52F #6AC52F

triadic

#B5C52F #2FB5C5 #C52FB5

tetradic

#B5C52F #2FC58A #3F2FC5 #C52F6A

square

#B5C52F #2FC58A #3F2FC5 #C52F6A

split-complementary

#B5C52F #2F6AC5 #8A2FC5

monochromatic

#5A6217 #889423 #B5C52F #CAD85A #DAE38B

Accessibility & contrast

On white

1.91

#B5C52F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.99

#B5C52F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5C52F

10.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5C52F	#FFFFFF	#000000	##000000
##B5C52F	1.00	1.91	10.99	10.99
#FFFFFF	1.91	1.00	21.00	21.00
#000000	10.99	21.00	1.00	1.00
##000000	10.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BB04

Deuteranopia (green-blind)

#D2BD3D

Tritanopia (blue-blind)

#C1B9A9

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #b5c52f;
/* rgb */ color: rgb(181, 197, 47);
/* oklch */ color: oklch(78.5% 0.165 115.7);

Tailwind

colors: {
  custom: {
    50: '#cfd674',
    500: '#b5c52f',
    950: '#000000',
  },
}

SCSS

$custom: #b5c52f;
$custom-light: #cfd674;
$custom-dark: #000000;

JSON

{
  "hex": "#b5c52f",
  "rgb": {
    "r": 181,
    "g": 197,
    "b": 47
  },
  "hsl": {
    "h": 66.4,
    "s": 61.475,
    "l": 47.843
  },
  "oklch": {
    "l": 0.78546,
    "c": 0.16493,
    "h": 115.7
  },
  "luminance": 0.49961
}

Semantic roles & 50–950 ramp

primary

#B5C52F

secondary

#8A82CD

accent

#43E554

background

#FDFDF7

surface

#FAFAED

border

#D3D3C8

text

#141409

muted

#83837B

Preview Lab

Preview with #B5C52F

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

Preview Lab → · Contrast checker → · Palette generator →