#B3B728#B3B728

#B3B728 is a light, vivid yellow. Relative luminance 0.436; OKLCH L 75.2% C 0.154 H 111.3°. Best body text is #000000 at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#B3B728
RGB	rgb(179, 183, 40)
HSL	hsl(62, 64%, 44%)
HSV	hsv(62, 78%, 72%)
CMYK	cmyk(2.2%, 0%, 78.1%, 28.2%)
CIE-LAB	lab(71.96, -17.70, 66.08)
CIE-LCH	lch(71.96, 68.41, 104.99°)
OKLab	oklab(75.22% -0.056 0.1439)
OKLCH	oklch(75.22% 0.154 111.3)
XYZ	xyz(35.9082, 43.6048, 8.5321)
Luminance	0.4360 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3B728 #2C28B7

analogous

#B77328 #B3B728 #6BB728

triadic

#B3B728 #28B3B7 #B728B3

tetradic

#B3B728 #28B773 #2C28B7 #B7286B

square

#B3B728 #28B773 #2C28B7 #B7286B

split-complementary

#B3B728 #286BB7 #7328B7

monochromatic

#515312 #82851D #B3B728 #D2D646 #DFE178

Accessibility & contrast

On white

2.16

#B3B728 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.72

#B3B728 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3B728

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3B728	#FFFFFF	#000000	##000000
##B3B728	1.00	2.16	9.72	9.72
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.72	21.00	1.00	1.00
##000000	9.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6AF00

Deuteranopia (green-blind)

#C7B235

Tritanopia (blue-blind)

#C0AB9D

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #b3b728;
/* rgb */ color: rgb(179, 183, 40);
/* oklch */ color: oklch(75.2% 0.154 111.3);

Tailwind

colors: {
  custom: {
    50: '#cecc6f',
    500: '#b3b728',
    950: '#000000',
  },
}

SCSS

$custom: #b3b728;
$custom-light: #cecc6f;
$custom-dark: #000000;

JSON

{
  "hex": "#b3b728",
  "rgb": {
    "r": 179,
    "g": 183,
    "b": 40
  },
  "hsl": {
    "h": 61.678,
    "s": 64.126,
    "l": 43.725
  },
  "oklch": {
    "l": 0.75224,
    "c": 0.15441,
    "h": 111.3
  },
  "luminance": 0.43604
}

Semantic roles & 50–950 ramp

primary

#B3B728

secondary

#7472C9

accent

#41E745

background

#FDFCF7

surface

#FAF8ED

border

#D3D1C8

text

#141308

muted

#83827B

Preview Lab

Preview with #B3B728

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

Preview Lab → · Contrast checker → · Palette generator →