#B4C831#B4C831

#B4C831 is a light, vivid yellow. Relative luminance 0.512; OKLCH L 79.2% C 0.167 H 117.1°. Best body text is #000000 at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#B4C831
RGB	rgb(180, 200, 49)
HSL	hsl(68, 61%, 49%)
HSV	hsv(68, 76%, 78%)
CMYK	cmyk(10%, 0%, 75.5%, 21.6%)
CIE-LAB	lab(76.82, -25.29, 67.78)
CIE-LCH	lch(76.82, 72.35, 110.46°)
OKLab	oklab(79.15% -0.0764 0.1491)
OKLCH	oklch(79.15% 0.167 117.1)
XYZ	xyz(40.0320, 51.2341, 10.6854)
Luminance	0.5123 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4C831 #4531C8

analogous

#C89131 #B4C831 #69C831

triadic

#B4C831 #31B4C8 #C831B4

tetradic

#B4C831 #31C891 #4531C8 #C83169

square

#B4C831 #31C891 #4531C8 #C83169

split-complementary

#B4C831 #3169C8 #9131C8

monochromatic

#5C6619 #889725 #B4C831 #C8D85F #D9E490

Accessibility & contrast

On white

1.87

#B4C831 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.25

#B4C831 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4C831

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4C831	#FFFFFF	#000000	##000000
##B4C831	1.00	1.87	11.25	11.25
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.25	21.00	1.00	1.00
##000000	11.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BD09

Deuteranopia (green-blind)

#D4BE3F

Tritanopia (blue-blind)

#BFBDAC

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #b4c831;
/* rgb */ color: rgb(180, 200, 49);
/* oklch */ color: oklch(79.2% 0.167 117.1);

Tailwind

colors: {
  custom: {
    50: '#ced875',
    500: '#b4c831',
    950: '#000000',
  },
}

SCSS

$custom: #b4c831;
$custom-light: #ced875;
$custom-dark: #000000;

JSON

{
  "hex": "#b4c831",
  "rgb": {
    "r": 180,
    "g": 200,
    "b": 49
  },
  "hsl": {
    "h": 67.947,
    "s": 60.643,
    "l": 48.824
  },
  "oklch": {
    "l": 0.79153,
    "c": 0.16749,
    "h": 117.1
  },
  "luminance": 0.51234
}

Semantic roles & 50–950 ramp

primary

#B4C831

secondary

#362D70

accent

#44E459

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#141409

muted

#83837D

Preview Lab

Preview with #B4C831

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

Preview Lab → · Contrast checker → · Palette generator →