#B9D028#B9D028

#B9D028 is a light, vivid yellow. Relative luminance 0.556; OKLCH L 81.3% C 0.179 H 117.7°. Best body text is #000000 at 12.12:1 contrast (WCAG AA passes).

Color values

HEX	#B9D028
RGB	rgb(185, 208, 40)
HSL	hsl(68, 68%, 49%)
HSV	hsv(68, 81%, 82%)
CMYK	cmyk(11.1%, 0%, 80.8%, 18.4%)
CIE-LAB	lab(79.37, -27.41, 72.80)
CIE-LCH	lch(79.37, 77.79, 110.63°)
OKLab	oklab(81.28% -0.0831 0.1581)
OKLCH	oklch(81.28% 0.179 117.7)
XYZ	xyz(42.9476, 55.5797, 10.4726)
Luminance	0.5558 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9D028 #3F28D0

analogous

#D09328 #B9D028 #65D028

triadic

#B9D028 #28B9D0 #D028B9

tetradic

#B9D028 #28D093 #3F28D0 #D02865

square

#B9D028 #28D093 #3F28D0 #D02865

split-complementary

#B9D028 #2865D0 #9328D0

monochromatic

#5E6914 #8B9D1E #B9D028 #CCDF57 #DCE88A

Accessibility & contrast

On white

1.73

#B9D028 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.12

#B9D028 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9D028

12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9D028	#FFFFFF	#000000	##000000
##B9D028	1.00	1.73	12.12	12.12
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.12	21.00	1.00	1.00
##000000	12.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC400

Deuteranopia (green-blind)

#DCC53A

Tritanopia (blue-blind)

#C5C4B2

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #b9d028;
/* rgb */ color: rgb(185, 208, 40);
/* oklch */ color: oklch(81.3% 0.179 117.7);

Tailwind

colors: {
  custom: {
    50: '#d2de72',
    500: '#b9d028',
    950: '#000000',
  },
}

SCSS

$custom: #b9d028;
$custom-light: #d2de72;
$custom-dark: #000000;

JSON

{
  "hex": "#b9d028",
  "rgb": {
    "r": 185,
    "g": 208,
    "b": 40
  },
  "hsl": {
    "h": 68.214,
    "s": 67.742,
    "l": 48.627
  },
  "oklch": {
    "l": 0.81284,
    "c": 0.17858,
    "h": 117.7
  },
  "luminance": 0.55579
}

Semantic roles & 50–950 ramp

primary

#B9D028

secondary

#332973

accent

#3DEB55

background

#FEFEFB

surface

#FBFCF1

border

#D4D5CB

text

#151509

muted

#84847D

Preview Lab

Preview with #B9D028

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

Preview Lab → · Contrast checker → · Palette generator →