#B9F563#B9F563

#B9F563 is a very light, vivid yellow-green. Relative luminance 0.765; OKLCH L 90.1% C 0.185 H 128.5°. Best body text is #000000 at 16.30:1 contrast (WCAG AA passes).

Color values

HEX#B9F563
RGBrgb(185, 245, 99)
HSLhsl(85, 88%, 67%)
HSVhsv(85, 60%, 96%)
CMYKcmyk(24.5%, 0%, 59.6%, 3.9%)
CIE-LABlab(90.10, -40.89, 62.66)
CIE-LCHlch(90.10, 74.82, 123.13°)
OKLaboklab(90.07% -0.1154 0.1452)
OKLCHoklch(90.07% 0.185 128.5)
XYZxyz(54.9119, 76.5188, 23.6785)
Luminance0.7652 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B9F563 #9F63F5
analogous
#F5E863 #B9F563 #70F563
triadic
#B9F563 #63B9F5 #F563B9
tetradic
#B9F563 #63F5E8 #9F63F5 #F56370
square
#B9F563 #63F5E8 #9F63F5 #F56370
split-complementary
#B9F563 #6370F5 #E863F5
monochromatic
#80D00D #9FF129 #B9F563 #D3F99D #EDFCD6

Accessibility & contrast

On white

1.29
#B9F563 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.30
#B9F563 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9F563
16.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B9F563#FFFFFF#000000##000000
##B9F5631.001.2916.3016.30
#FFFFFF1.291.0021.0021.00
#00000016.3021.001.001.00
##00000016.3021.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFE553
Deuteranopia (green-blind)
#F8E16D
Tritanopia (blue-blind)
#BEEBD6
Achromatopsia (no color)
#E3E3E3

Design tokens & code

CSS
--color: #b9f563;
/* rgb */ color: rgb(185, 245, 99);
/* oklch */ color: oklch(90.1% 0.185 128.5);
Tailwind
colors: {
  custom: {
    50: '#d1f894',
    500: '#b9f563',
    950: '#000000',
  },
}
SCSS
$custom: #b9f563;
$custom-light: #d1f894;
$custom-dark: #000000;
JSON
{
  "hex": "#b9f563",
  "rgb": {
    "r": 185,
    "g": 245,
    "b": 99
  },
  "hsl": {
    "h": 84.658,
    "s": 87.952,
    "l": 67.451
  },
  "oklch": {
    "l": 0.90068,
    "c": 0.18549,
    "h": 128.5
  },
  "luminance": 0.7652
}

Semantic roles & 50–950 ramp

primary
#B9F563
secondary
#7030CC
accent
#01E55E
background
#FEFFFC
surface
#FBFFF5
border
#D4D7CF
text
#14170E
muted
#83857F

Preview Lab

Preview with #B9F563

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

Preview Lab → · Contrast checker → · Palette generator →

#B9F563 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva