#B4C840#B4C840

#B4C840 is a light, vivid yellow. Relative luminance 0.514; OKLCH L 79.3% C 0.158 H 117.4°. Best body text is #000000 at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#B4C840
RGB	rgb(180, 200, 64)
HSL	hsl(69, 55%, 52%)
HSV	hsv(69, 68%, 78%)
CMYK	cmyk(10%, 0%, 68%, 21.6%)
CIE-LAB	lab(76.91, -24.53, 62.63)
CIE-LCH	lch(76.91, 67.26, 111.39°)
OKLab	oklab(79.25% -0.0729 0.1407)
OKLCH	oklch(79.25% 0.158 117.4)
XYZ	xyz(40.4030, 51.3825, 12.6389)
Luminance	0.5138 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4C840 #5440C8

analogous

#C89840 #B4C840 #70C840

triadic

#B4C840 #40B4C8 #C840B4

tetradic

#B4C840 #40C898 #5440C8 #C84070

square

#B4C840 #40C898 #5440C8 #C84070

split-complementary

#B4C840 #4070C8 #9840C8

monochromatic

#626E20 #8D9D2D #B4C840 #C7D670 #D9E39F

Accessibility & contrast

On white

1.86

#B4C840 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.28

#B4C840 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4C840

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4C840	#FFFFFF	#000000	##000000
##B4C840	1.00	1.86	11.28	11.28
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.28	21.00	1.00	1.00
##000000	11.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BD2B

Deuteranopia (green-blind)

#D3BF4A

Tritanopia (blue-blind)

#BFBDAD

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #b4c840;
/* rgb */ color: rgb(180, 200, 64);
/* oklch */ color: oklch(79.3% 0.158 117.4);

Tailwind

colors: {
  custom: {
    50: '#ced87d',
    500: '#b4c840',
    950: '#000000',
  },
}

SCSS

$custom: #b4c840;
$custom-light: #ced87d;
$custom-dark: #000000;

JSON

{
  "hex": "#b4c840",
  "rgb": {
    "r": 180,
    "g": 200,
    "b": 64
  },
  "hsl": {
    "h": 68.824,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.79253,
    "c": 0.15845,
    "h": 117.4
  },
  "luminance": 0.51382
}

Semantic roles & 50–950 ramp

primary

#B4C840

secondary

#3F3577

accent

#49DF5F

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B4C840

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

Preview Lab → · Contrast checker → · Palette generator →