#B3C728#B3C728

#B3C728 is a light, vivid yellow. Relative luminance 0.506; OKLCH L 78.8% C 0.171 H 117.0°. Best body text is #000000 at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#B3C728
RGB	rgb(179, 199, 40)
HSL	hsl(68, 67%, 47%)
HSV	hsv(68, 80%, 78%)
CMYK	cmyk(10.1%, 0%, 79.9%, 22%)
CIE-LAB	lab(76.43, -25.59, 70.05)
CIE-LCH	lch(76.43, 74.57, 110.07°)
OKLab	oklab(78.81% -0.0778 0.1524)
OKLCH	oklch(78.81% 0.171 117)
XYZ	xyz(39.3979, 50.5843, 9.6953)
Luminance	0.5058 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3C728 #3C28C7

analogous

#C78C28 #B3C728 #64C728

triadic

#B3C728 #28B3C7 #C728B3

tetradic

#B3C728 #28C78C #3C28C7 #C72864

square

#B3C728 #28C78C #3C28C7 #C72864

split-complementary

#B3C728 #2864C7 #8C28C7

monochromatic

#576114 #85941E #B3C728 #CADC50 #DAE683

Accessibility & contrast

On white

1.89

#B3C728 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.12

#B3C728 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3C728

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3C728	#FFFFFF	#000000	##000000
##B3C728	1.00	1.89	11.12	11.12
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.12	21.00	1.00	1.00
##000000	11.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BC00

Deuteranopia (green-blind)

#D3BD38

Tritanopia (blue-blind)

#BFBBAA

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #b3c728;
/* rgb */ color: rgb(179, 199, 40);
/* oklch */ color: oklch(78.8% 0.171 117.0);

Tailwind

colors: {
  custom: {
    50: '#ced771',
    500: '#b3c728',
    950: '#000000',
  },
}

SCSS

$custom: #b3c728;
$custom-light: #ced771;
$custom-dark: #000000;

JSON

{
  "hex": "#b3c728",
  "rgb": {
    "r": 179,
    "g": 199,
    "b": 40
  },
  "hsl": {
    "h": 67.547,
    "s": 66.527,
    "l": 46.863
  },
  "oklch": {
    "l": 0.78805,
    "c": 0.17109,
    "h": 117
  },
  "luminance": 0.50584
}

Semantic roles & 50–950 ramp

primary

#B3C728

secondary

#30276C

accent

#3EE954

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#141409

muted

#83837D

Preview Lab

Preview with #B3C728

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

Preview Lab → · Contrast checker → · Palette generator →