#B4C739#B4C739

#B4C739 is a light, vivid yellow. Relative luminance 0.508; OKLCH L 79.0% C 0.162 H 116.9°. Best body text is #000000 at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#B4C739
RGB	rgb(180, 199, 57)
HSL	hsl(68, 56%, 50%)
HSV	hsv(68, 71%, 78%)
CMYK	cmyk(9.5%, 0%, 71.4%, 22%)
CIE-LAB	lab(76.59, -24.43, 64.88)
CIE-LCH	lch(76.59, 69.32, 110.63°)
OKLab	oklab(78.98% -0.0733 0.1443)
OKLCH	oklch(78.98% 0.162 116.9)
XYZ	xyz(39.9853, 50.8460, 11.5780)
Luminance	0.5085 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4C739 #4C39C7

analogous

#C79339 #B4C739 #6DC739

triadic

#B4C739 #39B4C7 #C739B4

tetradic

#B4C739 #39C793 #4C39C7 #C7396D

square

#B4C739 #39C793 #4C39C7 #C7396D

split-complementary

#B4C739 #396DC7 #9339C7

monochromatic

#5E681D #89982B #B4C739 #C6D469 #D8E298

Accessibility & contrast

On white

1.88

#B4C739 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.17

#B4C739 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4C739

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4C739	#FFFFFF	#000000	##000000
##B4C739	1.00	1.88	11.17	11.17
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.17	21.00	1.00	1.00
##000000	11.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BC1F

Deuteranopia (green-blind)

#D3BE45

Tritanopia (blue-blind)

#BFBCAB

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #b4c739;
/* rgb */ color: rgb(180, 199, 57);
/* oklch */ color: oklch(79.0% 0.162 116.9);

Tailwind

colors: {
  custom: {
    50: '#ced779',
    500: '#b4c739',
    950: '#000000',
  },
}

SCSS

$custom: #b4c739;
$custom-light: #ced779;
$custom-dark: #000000;

JSON

{
  "hex": "#b4c739",
  "rgb": {
    "r": 180,
    "g": 199,
    "b": 57
  },
  "hsl": {
    "h": 68.028,
    "s": 55.906,
    "l": 50.196
  },
  "oklch": {
    "l": 0.78978,
    "c": 0.16183,
    "h": 116.9
  },
  "luminance": 0.50846
}

Semantic roles & 50–950 ramp

primary

#B4C739

secondary

#3B3272

accent

#49DF5D

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B4C739

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

Preview Lab → · Contrast checker → · Palette generator →