#B3CA3B#B3CA3B

#B3CA3B is a light, vivid yellow. Relative luminance 0.521; OKLCH L 79.6% C 0.164 H 118.3°. Best body text is #000000 at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#B3CA3B
RGB	rgb(179, 202, 59)
HSL	hsl(70, 57%, 51%)
HSV	hsv(70, 71%, 79%)
CMYK	cmyk(11.4%, 0%, 70.8%, 20.8%)
CIE-LAB	lab(77.36, -26.18, 64.91)
CIE-LCH	lch(77.36, 69.99, 111.97°)
OKLab	oklab(79.59% -0.0779 0.1447)
OKLCH	oklch(79.59% 0.164 118.3)
XYZ	xyz(40.5012, 52.1409, 12.0674)
Luminance	0.5214 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3CA3B #523BCA

analogous

#CA993B #B3CA3B #6BCA3B

triadic

#B3CA3B #3BB3CA #CA3BB3

tetradic

#B3CA3B #3BCA99 #523BCA #CA3B6B

square

#B3CA3B #3BCA99 #523BCA #CA3B6B

split-complementary

#B3CA3B #3B6BCA #993BCA

monochromatic

#606D1E #8B9D2B #B3CA3B #C6D76B #D8E49B

Accessibility & contrast

On white

1.84

#B3CA3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.43

#B3CA3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3CA3B

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3CA3B	#FFFFFF	#000000	##000000
##B3CA3B	1.00	1.84	11.43	11.43
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.43	21.00	1.00	1.00
##000000	11.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BF22

Deuteranopia (green-blind)

#D5C047

Tritanopia (blue-blind)

#BEBFAE

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #b3ca3b;
/* rgb */ color: rgb(179, 202, 59);
/* oklch */ color: oklch(79.6% 0.164 118.3);

Tailwind

colors: {
  custom: {
    50: '#cdda7a',
    500: '#b3ca3b',
    950: '#000000',
  },
}

SCSS

$custom: #b3ca3b;
$custom-light: #cdda7a;
$custom-dark: #000000;

JSON

{
  "hex": "#b3ca3b",
  "rgb": {
    "r": 179,
    "g": 202,
    "b": 59
  },
  "hsl": {
    "h": 69.65,
    "s": 57.43,
    "l": 51.176
  },
  "oklch": {
    "l": 0.79591,
    "c": 0.16434,
    "h": 118.3
  },
  "luminance": 0.52141
}

Semantic roles & 50–950 ramp

primary

#B3CA3B

secondary

#3E3377

accent

#47E160

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B3CA3B

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

Preview Lab → · Contrast checker → · Palette generator →