#B9D040#B9D040

#B9D040 is a light, vivid yellow. Relative luminance 0.558; OKLCH L 81.4% C 0.166 H 118.1°. Best body text is #000000 at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#B9D040
RGB	rgb(185, 208, 64)
HSL	hsl(70, 61%, 53%)
HSV	hsv(70, 69%, 82%)
CMYK	cmyk(11.1%, 0%, 69.2%, 18.4%)
CIE-LAB	lab(79.50, -26.34, 65.35)
CIE-LCH	lch(79.50, 70.46, 111.95°)
OKLab	oklab(81.42% -0.0782 0.1463)
OKLCH	oklch(81.42% 0.166 118.1)
XYZ	xyz(43.4898, 55.7966, 13.3283)
Luminance	0.5580 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9D040 #5740D0

analogous

#D09F40 #B9D040 #71D040

triadic

#B9D040 #40B9D0 #D040B9

tetradic

#B9D040 #40D09F #5740D0 #D04071

square

#B9D040 #40D09F #5740D0 #D04071

split-complementary

#B9D040 #4071D0 #9F40D0

monochromatic

#6A781E #95A92A #B9D040 #CBDC71 #DDE8A2

Accessibility & contrast

On white

1.73

#B9D040 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.16

#B9D040 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9D040

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9D040	#FFFFFF	#000000	##000000
##B9D040	1.00	1.73	12.16	12.16
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.16	21.00	1.00	1.00
##000000	12.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC529

Deuteranopia (green-blind)

#DBC64B

Tritanopia (blue-blind)

#C4C5B4

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #b9d040;
/* rgb */ color: rgb(185, 208, 64);
/* oklch */ color: oklch(81.4% 0.166 118.1);

Tailwind

colors: {
  custom: {
    50: '#d1de7d',
    500: '#b9d040',
    950: '#000000',
  },
}

SCSS

$custom: #b9d040;
$custom-light: #d1de7d;
$custom-dark: #000000;

JSON

{
  "hex": "#b9d040",
  "rgb": {
    "r": 185,
    "g": 208,
    "b": 64
  },
  "hsl": {
    "h": 69.583,
    "s": 60.504,
    "l": 53.333
  },
  "oklch": {
    "l": 0.81423,
    "c": 0.16588,
    "h": 118.1
  },
  "luminance": 0.55796
}

Semantic roles & 50–950 ramp

primary

#B9D040

secondary

#403480

accent

#44E45E

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B9D040

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

Preview Lab → · Contrast checker → · Palette generator →