#B3F45B#B3F45B

#B3F45B is a very light, vivid yellow-green. Relative luminance 0.750; OKLCH L 89.4% C 0.193 H 129.3°. Best body text is #000000 at 16.01:1 contrast (WCAG AA passes).

Color values

HEX#B3F45B
RGBrgb(179, 244, 91)
HSLhsl(85, 87%, 66%)
HSVhsv(85, 63%, 96%)
CMYKcmyk(26.6%, 0%, 62.7%, 4.3%)
CIE-LABlab(89.41, -43.26, 65.11)
CIE-LCHlch(89.41, 78.17, 123.60°)
OKLaboklab(89.4% -0.1222 0.1496)
OKLCHoklch(89.4% 0.193 129.3)
XYZxyz(52.8291, 75.0391, 21.5961)
Luminance0.7504 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B3F45B #9C5BF4
analogous
#F4E85B #B3F45B #66F45B
triadic
#B3F45B #5BB3F4 #F45BB3
tetradic
#B3F45B #5BF4E8 #9C5BF4 #F45B66
square
#B3F45B #5BF4E8 #9C5BF4 #F45B66
split-complementary
#B3F45B #5B66F4 #E85BF4
monochromatic
#78C70D #98F022 #B3F45B #CEF894 #E8FCCE

Accessibility & contrast

On white

1.31
#B3F45B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.01
#B3F45B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3F45B
16.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B3F45B#FFFFFF#000000##000000
##B3F45B1.001.3116.0116.01
#FFFFFF1.311.0021.0021.00
#00000016.0121.001.001.00
##00000016.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFE448
Deuteranopia (green-blind)
#F6DF67
Tritanopia (blue-blind)
#B8EAD4
Achromatopsia (no color)
#E1E1E1

Design tokens & code

CSS
--color: #b3f45b;
/* rgb */ color: rgb(179, 244, 91);
/* oklch */ color: oklch(89.4% 0.193 129.3);
Tailwind
colors: {
  custom: {
    50: '#cdf890',
    500: '#b3f45b',
    950: '#000000',
  },
}
SCSS
$custom: #b3f45b;
$custom-light: #cdf890;
$custom-dark: #000000;
JSON
{
  "hex": "#b3f45b",
  "rgb": {
    "r": 179,
    "g": 244,
    "b": 91
  },
  "hsl": {
    "h": 85.49,
    "s": 87.429,
    "l": 65.686
  },
  "oklch": {
    "l": 0.89399,
    "c": 0.19317,
    "h": 129.3
  },
  "luminance": 0.7504
}

Semantic roles & 50–950 ramp

primary
#B3F45B
secondary
#6E2FC4
accent
#02E462
background
#FEFFFC
surface
#FBFFF4
border
#D4D7CE
text
#14170D
muted
#83857F

Preview Lab

Preview with #B3F45B

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

Preview Lab → · Contrast checker → · Palette generator →

#B3F45B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva