#B3CB39#B3CB39

#B3CB39 is a light, vivid yellow. Relative luminance 0.526; OKLCH L 79.8% C 0.167 H 118.6°. Best body text is #000000 at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#B3CB39
RGB	rgb(179, 203, 57)
HSL	hsl(70, 58%, 51%)
HSV	hsv(70, 72%, 80%)
CMYK	cmyk(11.8%, 0%, 71.9%, 20.4%)
CIE-LAB	lab(77.63, -26.77, 65.87)
CIE-LCH	lch(77.63, 71.10, 112.11°)
OKLab	oklab(79.8% -0.0797 0.1464)
OKLCH	oklch(79.8% 0.167 118.6)
XYZ	xyz(40.6857, 52.5913, 11.8779)
Luminance	0.5259 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3CB39 #5139CB

analogous

#CB9A39 #B3CB39 #6ACB39

triadic

#B3CB39 #39B3CB #CB39B3

tetradic

#B3CB39 #39CB9A #5139CB #CB396A

square

#B3CB39 #39CB9A #5139CB #CB396A

split-complementary

#B3CB39 #396ACB #9A39CB

monochromatic

#606D1D #8A9D29 #B3CB39 #C6D869 #D8E49A

Accessibility & contrast

On white

1.82

#B3CB39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.52

#B3CB39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3CB39

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3CB39	#FFFFFF	#000000	##000000
##B3CB39	1.00	1.82	11.52	11.52
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.52	21.00	1.00	1.00
##000000	11.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C01D

Deuteranopia (green-blind)

#D6C045

Tritanopia (blue-blind)

#BEC0AF

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #b3cb39;
/* rgb */ color: rgb(179, 203, 57);
/* oklch */ color: oklch(79.8% 0.167 118.6);

Tailwind

colors: {
  custom: {
    50: '#cdda79',
    500: '#b3cb39',
    950: '#000000',
  },
}

SCSS

$custom: #b3cb39;
$custom-light: #cdda79;
$custom-dark: #000000;

JSON

{
  "hex": "#b3cb39",
  "rgb": {
    "r": 179,
    "g": 203,
    "b": 57
  },
  "hsl": {
    "h": 69.863,
    "s": 58.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.79802,
    "c": 0.1667,
    "h": 118.6
  },
  "luminance": 0.52591
}

Semantic roles & 50–950 ramp

primary

#B3CB39

secondary

#3D3276

accent

#46E260

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B3CB39

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

Preview Lab → · Contrast checker → · Palette generator →