#B9E73B#B9E73B

#B9E73B is a very light, vivid yellow-green. Relative luminance 0.678; OKLCH L 86.6% C 0.195 H 123.9°. Best body text is #000000 at 14.56:1 contrast (WCAG AA passes).

Color values

HEX	#B9E73B
RGB	rgb(185, 231, 59)
HSL	hsl(76, 78%, 57%)
HSV	hsv(76, 74%, 91%)
CMYK	cmyk(19.9%, 0%, 74.5%, 9.4%)
CIE-LAB	lab(85.90, -37.28, 73.27)
CIE-LCH	lch(85.90, 82.21, 116.96°)
OKLab	oklab(86.58% -0.1088 0.1621)
OKLCH	oklch(86.58% 0.195 123.9)
XYZ	xyz(49.3735, 67.7815, 14.6188)
Luminance	0.6778 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9E73B #693BE7

analogous

#E7BF3B #B9E73B #63E73B

triadic

#B9E73B #3BB9E7 #E73BB9

tetradic

#B9E73B #3BE7BF #693BE7 #E73B63

square

#B9E73B #3BE7BF #693BE7 #E73B63

split-complementary

#B9E73B #3B63E7 #BF3BE7

monochromatic

#729512 #9CCC19 #B9E73B #CCEE72 #E0F4A8

Accessibility & contrast

On white

1.44

#B9E73B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.56

#B9E73B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9E73B

14.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9E73B	#FFFFFF	#000000	##000000
##B9E73B	1.00	1.44	14.56	14.56
#FFFFFF	1.44	1.00	21.00	21.00
#000000	14.56	21.00	1.00	1.00
##000000	14.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4D811

Deuteranopia (green-blind)

#EED64B

Tritanopia (blue-blind)

#C2DCC7

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #b9e73b;
/* rgb */ color: rgb(185, 231, 59);
/* oklch */ color: oklch(86.6% 0.195 123.9);

Tailwind

colors: {
  custom: {
    50: '#d2ee7d',
    500: '#b9e73b',
    950: '#000000',
  },
}

SCSS

$custom: #b9e73b;
$custom-light: #d2ee7d;
$custom-dark: #000000;

JSON

{
  "hex": "#b9e73b",
  "rgb": {
    "r": 185,
    "g": 231,
    "b": 59
  },
  "hsl": {
    "h": 76.047,
    "s": 78.182,
    "l": 56.863
  },
  "oklch": {
    "l": 0.86575,
    "c": 0.19525,
    "h": 123.9
  },
  "luminance": 0.67782
}

Semantic roles & 50–950 ramp

primary

#B9E73B

secondary

#4A2D99

accent

#33F567

background

#FEFFFB

surface

#FBFEF2

border

#D4D6CC

text

#15160B

muted

#84857E

Preview Lab

Preview with #B9E73B

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

Preview Lab → · Contrast checker → · Palette generator →