#B9F15B#B9F15B

#B9F15B is a very light, vivid yellow-green. Relative luminance 0.740; OKLCH L 89.1% C 0.187 H 127.2°. Best body text is #000000 at 15.80:1 contrast (WCAG AA passes).

Color values

HEX	#B9F15B
RGB	rgb(185, 241, 91)
HSL	hsl(82, 84%, 65%)
HSV	hsv(82, 62%, 95%)
CMYK	cmyk(23.2%, 0%, 62.2%, 5.5%)
CIE-LAB	lab(88.91, -39.76, 64.67)
CIE-LCH	lch(88.91, 75.91, 121.58°)
OKLab	oklab(89.08% -0.113 0.1485)
OKLCH	oklch(89.08% 0.187 127.2)
XYZ	xyz(53.3512, 73.9793, 21.3641)
Luminance	0.7398 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9F15B #935BF1

analogous

#F1DE5B #B9F15B #6EF15B

triadic

#B9F15B #5BB9F1 #F15BB9

tetradic

#B9F15B #5BF1DE #935BF1 #F15B6E

square

#B9F15B #5BF1DE #935BF1 #F15B6E

split-complementary

#B9F15B #5B6EF1 #DE5BF1

monochromatic

#7FC110 #A1EC23 #B9F15B #D1F693 #E9FBCC

Accessibility & contrast

On white

1.33

#B9F15B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.80

#B9F15B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9F15B

15.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9F15B	#FFFFFF	#000000	##000000
##B9F15B	1.00	1.33	15.80	15.80
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.80	21.00	1.00	1.00
##000000	15.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE249

Deuteranopia (green-blind)

#F5DE66

Tritanopia (blue-blind)

#BFE7D2

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #b9f15b;
/* rgb */ color: rgb(185, 241, 91);
/* oklch */ color: oklch(89.1% 0.187 127.2);

Tailwind

colors: {
  custom: {
    50: '#d1f68f',
    500: '#b9f15b',
    950: '#000000',
  },
}

SCSS

$custom: #b9f15b;
$custom-light: #d1f68f;
$custom-dark: #000000;

JSON

{
  "hex": "#b9f15b",
  "rgb": {
    "r": 185,
    "g": 241,
    "b": 91
  },
  "hsl": {
    "h": 82.4,
    "s": 84.27,
    "l": 65.098
  },
  "oklch": {
    "l": 0.89084,
    "c": 0.18662,
    "h": 127.2
  },
  "luminance": 0.7398
}

Semantic roles & 50–950 ramp

primary

#B9F15B

secondary

#6631BF

accent

#05E157

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B9F15B

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

Preview Lab → · Contrast checker → · Palette generator →