#B9F259#B9F259

#B9F259 is a very light, vivid yellow-green. Relative luminance 0.745; OKLCH L 89.3% C 0.189 H 127.3°. Best body text is #000000 at 15.91:1 contrast (WCAG AA passes).

Color values

HEX	#B9F259
RGB	rgb(185, 242, 89)
HSL	hsl(82, 85%, 65%)
HSV	hsv(82, 63%, 95%)
CMYK	cmyk(23.6%, 0%, 63.2%, 5.1%)
CIE-LAB	lab(89.18, -40.35, 65.76)
CIE-LCH	lch(89.18, 77.15, 121.53°)
OKLab	oklab(89.29% -0.1148 0.1506)
OKLCH	oklch(89.29% 0.189 127.3)
XYZ	xyz(53.5629, 74.5389, 21.0147)
Luminance	0.7454 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9F259 #9259F2

analogous

#F2DF59 #B9F259 #6CF259

triadic

#B9F259 #59B9F2 #F259B9

tetradic

#B9F259 #59F2DF #9259F2 #F2596C

square

#B9F259 #59F2DF #9259F2 #F2596C

split-complementary

#B9F259 #596CF2 #DF59F2

monochromatic

#7FC10F #A1EE20 #B9F259 #D1F692 #E9FBCB

Accessibility & contrast

On white

1.32

#B9F259 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.91

#B9F259 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9F259

15.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9F259	#FFFFFF	#000000	##000000
##B9F259	1.00	1.32	15.91	15.91
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.91	21.00	1.00	1.00
##000000	15.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE246

Deuteranopia (green-blind)

#F6DF65

Tritanopia (blue-blind)

#BFE8D2

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #b9f259;
/* rgb */ color: rgb(185, 242, 89);
/* oklch */ color: oklch(89.3% 0.189 127.3);

Tailwind

colors: {
  custom: {
    50: '#d1f68e',
    500: '#b9f259',
    950: '#000000',
  },
}

SCSS

$custom: #b9f259;
$custom-light: #d1f68e;
$custom-dark: #000000;

JSON

{
  "hex": "#b9f259",
  "rgb": {
    "r": 185,
    "g": 242,
    "b": 89
  },
  "hsl": {
    "h": 82.353,
    "s": 85.475,
    "l": 64.902
  },
  "oklch": {
    "l": 0.89293,
    "c": 0.18936,
    "h": 127.3
  },
  "luminance": 0.7454
}

Semantic roles & 50–950 ramp

primary

#B9F259

secondary

#6530BF

accent

#04E256

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B9F259

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

Preview Lab → · Contrast checker → · Palette generator →