#B9D640#B9D640

#B9D640 is a very light, vivid yellow-green. Relative luminance 0.588; OKLCH L 82.8% C 0.173 H 119.9°. Best body text is #000000 at 12.76:1 contrast (WCAG AA passes).

Color values

HEX	#B9D640
RGB	rgb(185, 214, 64)
HSL	hsl(72, 65%, 55%)
HSV	hsv(72, 70%, 84%)
CMYK	cmyk(13.6%, 0%, 70.1%, 16.1%)
CIE-LAB	lab(81.17, -29.19, 67.01)
CIE-LCH	lch(81.17, 73.09, 113.54°)
OKLab	oklab(82.77% -0.0861 0.1498)
OKLCH	oklch(82.77% 0.173 119.9)
XYZ	xyz(44.9804, 58.7778, 13.8251)
Luminance	0.5878 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9D640 #5D40D6

analogous

#D6A840 #B9D640 #6ED640

triadic

#B9D640 #40B9D6 #D640B9

tetradic

#B9D640 #40D6A8 #5D40D6 #D6406E

square

#B9D640 #40D6A8 #5D40D6 #D6406E

split-complementary

#B9D640 #406ED6 #A840D6

monochromatic

#6D801B #97B226 #B9D640 #CBE172 #DEECA5

Accessibility & contrast

On white

1.65

#B9D640 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.76

#B9D640 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9D640

12.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9D640	#FFFFFF	#000000	##000000
##B9D640	1.00	1.65	12.76	12.76
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.76	21.00	1.00	1.00
##000000	12.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3CA26

Deuteranopia (green-blind)

#E0CA4C

Tritanopia (blue-blind)

#C3CBB9

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #b9d640;
/* rgb */ color: rgb(185, 214, 64);
/* oklch */ color: oklch(82.8% 0.173 119.9);

Tailwind

colors: {
  custom: {
    50: '#d1e27e',
    500: '#b9d640',
    950: '#000000',
  },
}

SCSS

$custom: #b9d640;
$custom-light: #d1e27e;
$custom-dark: #000000;

JSON

{
  "hex": "#b9d640",
  "rgb": {
    "r": 185,
    "g": 214,
    "b": 64
  },
  "hsl": {
    "h": 71.6,
    "s": 64.655,
    "l": 54.51
  },
  "oklch": {
    "l": 0.82768,
    "c": 0.17276,
    "h": 119.9
  },
  "luminance": 0.58778
}

Semantic roles & 50–950 ramp

primary

#B9D640

secondary

#433387

accent

#40E861

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150B

muted

#83847E

Preview Lab

Preview with #B9D640

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

Preview Lab → · Contrast checker → · Palette generator →