#B3BC39#B3BC39

#B3BC39 is a light, vivid yellow. Relative luminance 0.458; OKLCH L 76.4% C 0.150 H 113.3°. Best body text is #000000 at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#B3BC39
RGB	rgb(179, 188, 57)
HSL	hsl(64, 53%, 48%)
HSV	hsv(64, 70%, 74%)
CMYK	cmyk(4.8%, 0%, 69.7%, 26.3%)
CIE-LAB	lab(73.45, -19.43, 61.77)
CIE-LCH	lch(73.45, 64.75, 107.46°)
OKLab	oklab(76.44% -0.0593 0.1378)
OKLCH	oklch(76.44% 0.15 113.3)
XYZ	xyz(37.3132, 45.8463, 10.7537)
Luminance	0.4585 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3BC39 #4239BC

analogous

#BC8339 #B3BC39 #71BC39

triadic

#B3BC39 #39B3BC #BC39B3

tetradic

#B3BC39 #39BC83 #4239BC #BC3971

square

#B3BC39 #39BC83 #4239BC #BC3971

split-complementary

#B3BC39 #3971BC #8339BC

monochromatic

#5A5E1D #868D2B #B3BC39 #C8D063 #D9DE92

Accessibility & contrast

On white

2.07

#B3BC39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.17

#B3BC39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3BC39

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3BC39	#FFFFFF	#000000	##000000
##B3BC39	1.00	2.07	10.17	10.17
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.17	21.00	1.00	1.00
##000000	10.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB323

Deuteranopia (green-blind)

#CAB643

Tritanopia (blue-blind)

#BFB1A2

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #b3bc39;
/* rgb */ color: rgb(179, 188, 57);
/* oklch */ color: oklch(76.4% 0.150 113.3);

Tailwind

colors: {
  custom: {
    50: '#cdd078',
    500: '#b3bc39',
    950: '#000000',
  },
}

SCSS

$custom: #b3bc39;
$custom-light: #cdd078;
$custom-dark: #000000;

JSON

{
  "hex": "#b3bc39",
  "rgb": {
    "r": 179,
    "g": 188,
    "b": 57
  },
  "hsl": {
    "h": 64.122,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.76441,
    "c": 0.15,
    "h": 113.3
  },
  "luminance": 0.45846
}

Semantic roles & 50–950 ramp

primary

#B3BC39

secondary

#8C88C9

accent

#4BDD55

background

#FDFCF7

surface

#FAF9EE

border

#D3D2C9

text

#141309

muted

#83827B

Preview Lab

Preview with #B3BC39

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

Preview Lab → · Contrast checker → · Palette generator →