#B3C73B#B3C73B

#B3C73B is a light, vivid yellow. Relative luminance 0.507; OKLCH L 78.9% C 0.161 H 117.3°. Best body text is #000000 at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#B3C73B
RGB	rgb(179, 199, 59)
HSL	hsl(69, 56%, 51%)
HSV	hsv(69, 70%, 78%)
CMYK	cmyk(10.1%, 0%, 70.4%, 22%)
CIE-LAB	lab(76.53, -24.73, 64.08)
CIE-LCH	lch(76.53, 68.69, 111.11°)
OKLab	oklab(78.92% -0.0739 0.143)
OKLCH	oklch(78.92% 0.161 117.3)
XYZ	xyz(39.8042, 50.7468, 11.8351)
Luminance	0.5075 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3C73B #4F3BC7

analogous

#C7953B #B3C73B #6DC73B

triadic

#B3C73B #3BB3C7 #C73BB3

tetradic

#B3C73B #3BC795 #4F3BC7 #C73B6D

square

#B3C73B #3BC795 #4F3BC7 #C73B6D

split-complementary

#B3C73B #3B6DC7 #953BC7

monochromatic

#5F691E #89992C #B3C73B #C5D56B #D8E29A

Accessibility & contrast

On white

1.88

#B3C73B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.15

#B3C73B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3C73B

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3C73B	#FFFFFF	#000000	##000000
##B3C73B	1.00	1.88	11.15	11.15
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.15	21.00	1.00	1.00
##000000	11.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BC23

Deuteranopia (green-blind)

#D2BE46

Tritanopia (blue-blind)

#BEBCAC

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #b3c73b;
/* rgb */ color: rgb(179, 199, 59);
/* oklch */ color: oklch(78.9% 0.161 117.3);

Tailwind

colors: {
  custom: {
    50: '#cdd77a',
    500: '#b3c73b',
    950: '#000000',
  },
}

SCSS

$custom: #b3c73b;
$custom-light: #cdd77a;
$custom-dark: #000000;

JSON

{
  "hex": "#b3c73b",
  "rgb": {
    "r": 179,
    "g": 199,
    "b": 59
  },
  "hsl": {
    "h": 68.571,
    "s": 55.556,
    "l": 50.588
  },
  "oklch": {
    "l": 0.78916,
    "c": 0.16093,
    "h": 117.3
  },
  "luminance": 0.50746
}

Semantic roles & 50–950 ramp

primary

#B3C73B

secondary

#3C3373

accent

#49DF5E

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B3C73B

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

Preview Lab → · Contrast checker → · Palette generator →