#B3C837#B3C837

#B3C837 is a light, vivid yellow. Relative luminance 0.512; OKLCH L 79.1% C 0.165 H 117.6°. Best body text is #000000 at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#B3C837
RGB	rgb(179, 200, 55)
HSL	hsl(69, 57%, 50%)
HSV	hsv(69, 73%, 78%)
CMYK	cmyk(10.5%, 0%, 72.5%, 21.6%)
CIE-LAB	lab(76.78, -25.43, 65.74)
CIE-LCH	lch(76.78, 70.49, 111.14°)
OKLab	oklab(79.11% -0.0762 0.1458)
OKLCH	oklch(79.11% 0.165 117.6)
XYZ	xyz(39.9352, 51.1685, 11.3864)
Luminance	0.5117 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3C837 #4C37C8

analogous

#C89537 #B3C837 #6AC837

triadic

#B3C837 #37B3C8 #C837B3

tetradic

#B3C837 #37C895 #4C37C8 #C8376A

square

#B3C837 #37C895 #4C37C8 #C8376A

split-complementary

#B3C837 #376AC8 #9537C8

monochromatic

#5D681D #88982A #B3C837 #C5D567 #D7E297

Accessibility & contrast

On white

1.87

#B3C837 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.23

#B3C837 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3C837

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3C837	#FFFFFF	#000000	##000000
##B3C837	1.00	1.87	11.23	11.23
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.23	21.00	1.00	1.00
##000000	11.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BD1B

Deuteranopia (green-blind)

#D3BE43

Tritanopia (blue-blind)

#BEBDAC

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #b3c837;
/* rgb */ color: rgb(179, 200, 55);
/* oklch */ color: oklch(79.1% 0.165 117.6);

Tailwind

colors: {
  custom: {
    50: '#cdd878',
    500: '#b3c837',
    950: '#000000',
  },
}

SCSS

$custom: #b3c837;
$custom-light: #cdd878;
$custom-dark: #000000;

JSON

{
  "hex": "#b3c837",
  "rgb": {
    "r": 179,
    "g": 200,
    "b": 55
  },
  "hsl": {
    "h": 68.69,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.79113,
    "c": 0.1645,
    "h": 117.6
  },
  "luminance": 0.51168
}

Semantic roles & 50–950 ramp

primary

#B3C837

secondary

#3B3172

accent

#48E05E

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#14140A

muted

#83837D

Preview Lab

Preview with #B3C837

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

Preview Lab → · Contrast checker → · Palette generator →