#B5C831#B5C831

#B5C831 is a light, vivid yellow. Relative luminance 0.514; OKLCH L 79.2% C 0.167 H 116.8°. Best body text is #000000 at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#B5C831
RGB	rgb(181, 200, 49)
HSL	hsl(68, 61%, 49%)
HSV	hsv(68, 76%, 78%)
CMYK	cmyk(9.5%, 0%, 75.5%, 21.6%)
CIE-LAB	lab(76.89, -24.88, 67.88)
CIE-LCH	lch(76.89, 72.29, 110.13°)
OKLab	oklab(79.23% -0.0753 0.1492)
OKLCH	oklch(79.23% 0.167 116.8)
XYZ	xyz(40.2657, 51.3546, 10.6964)
Luminance	0.5135 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5C831 #4431C8

analogous

#C89031 #B5C831 #6AC831

triadic

#B5C831 #31B5C8 #C831B5

tetradic

#B5C831 #31C890 #4431C8 #C8316A

square

#B5C831 #31C890 #4431C8 #C8316A

split-complementary

#B5C831 #316AC8 #9031C8

monochromatic

#5C6619 #899725 #B5C831 #C8D85F #D9E490

Accessibility & contrast

On white

1.86

#B5C831 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.27

#B5C831 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5C831

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5C831	#FFFFFF	#000000	##000000
##B5C831	1.00	1.86	11.27	11.27
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.27	21.00	1.00	1.00
##000000	11.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BD09

Deuteranopia (green-blind)

#D4BF3F

Tritanopia (blue-blind)

#C1BDAC

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #b5c831;
/* rgb */ color: rgb(181, 200, 49);
/* oklch */ color: oklch(79.2% 0.167 116.8);

Tailwind

colors: {
  custom: {
    50: '#cfd875',
    500: '#b5c831',
    950: '#000000',
  },
}

SCSS

$custom: #b5c831;
$custom-light: #cfd875;
$custom-dark: #000000;

JSON

{
  "hex": "#b5c831",
  "rgb": {
    "r": 181,
    "g": 200,
    "b": 49
  },
  "hsl": {
    "h": 67.55,
    "s": 60.643,
    "l": 48.824
  },
  "oklch": {
    "l": 0.7923,
    "c": 0.16715,
    "h": 116.8
  },
  "luminance": 0.51354
}

Semantic roles & 50–950 ramp

primary

#B5C831

secondary

#362D70

accent

#44E458

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#141409

muted

#83837D

Preview Lab

Preview with #B5C831

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

Preview Lab → · Contrast checker → · Palette generator →