#B4C838#B4C838

#B4C838 is a light, vivid yellow. Relative luminance 0.513; OKLCH L 79.2% C 0.164 H 117.2°. Best body text is #000000 at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#B4C838
RGB	rgb(180, 200, 56)
HSL	hsl(68, 57%, 50%)
HSV	hsv(68, 72%, 78%)
CMYK	cmyk(10%, 0%, 72%, 21.6%)
CIE-LAB	lab(76.86, -24.96, 65.50)
CIE-LCH	lch(76.86, 70.09, 110.86°)
OKLab	oklab(79.2% -0.0749 0.1454)
OKLCH	oklch(79.2% 0.164 117.2)
XYZ	xyz(40.1914, 51.2978, 11.5248)
Luminance	0.5130 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4C838 #4C38C8

analogous

#C89438 #B4C838 #6CC838

triadic

#B4C838 #38B4C8 #C838B4

tetradic

#B4C838 #38C894 #4C38C8 #C8386C

square

#B4C838 #38C894 #4C38C8 #C8386C

split-complementary

#B4C838 #386CC8 #9438C8

monochromatic

#5E691D #89992A #B4C838 #C6D568 #D8E398

Accessibility & contrast

On white

1.87

#B4C838 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.26

#B4C838 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4C838

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4C838	#FFFFFF	#000000	##000000
##B4C838	1.00	1.87	11.26	11.26
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.26	21.00	1.00	1.00
##000000	11.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BD1D

Deuteranopia (green-blind)

#D4BF44

Tritanopia (blue-blind)

#BFBDAC

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #b4c838;
/* rgb */ color: rgb(180, 200, 56);
/* oklch */ color: oklch(79.2% 0.164 117.2);

Tailwind

colors: {
  custom: {
    50: '#ced878',
    500: '#b4c838',
    950: '#000000',
  },
}

SCSS

$custom: #b4c838;
$custom-light: #ced878;
$custom-dark: #000000;

JSON

{
  "hex": "#b4c838",
  "rgb": {
    "r": 180,
    "g": 200,
    "b": 56
  },
  "hsl": {
    "h": 68.333,
    "s": 56.693,
    "l": 50.196
  },
  "oklch": {
    "l": 0.79196,
    "c": 0.16356,
    "h": 117.2
  },
  "luminance": 0.51297
}

Semantic roles & 50–950 ramp

primary

#B4C838

secondary

#3B3273

accent

#48E05D

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#14140A

muted

#83837D

Preview Lab

Preview with #B4C838

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

Preview Lab → · Contrast checker → · Palette generator →