#B1D643#B1D643

#B1D643 is a very light, vivid yellow-green. Relative luminance 0.578; OKLCH L 82.2% C 0.174 H 122.6°. Best body text is #000000 at 12.57:1 contrast (WCAG AA passes).

Color values

HEX#B1D643
RGBrgb(177, 214, 67)
HSLhsl(75, 64%, 55%)
HSVhsv(75, 69%, 84%)
CMYKcmyk(17.3%, 0%, 68.7%, 16.1%)
CIE-LABlab(80.65, -32.20, 65.22)
CIE-LCHlch(80.65, 72.74, 116.28°)
OKLaboklab(82.22% -0.0937 0.1467)
OKLCHoklch(82.22% 0.174 122.6)
XYZxyz(43.1917, 57.8453, 14.1989)
Luminance0.5785 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B1D643 #6843D6
analogous
#D6B143 #B1D643 #68D643
triadic
#B1D643 #43B1D6 #D643B1
tetradic
#B1D643 #43D6B1 #6843D6 #D64368
square
#B1D643 #43D6B1 #6843D6 #D64368
split-complementary
#B1D643 #4368D6 #B143D6
monochromatic
#69821C #91B427 #B1D643 #C6E175 #DBECA7

Accessibility & contrast

On white

1.67
#B1D643 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.57
#B1D643 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D643
12.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B1D643#FFFFFF#000000##000000
##B1D6431.001.6712.5712.57
#FFFFFF1.671.0021.0021.00
#00000012.5721.001.001.00
##00000012.5721.001.001.00

Color blindness preview

Protanopia (red-blind)
#E2C92C
Deuteranopia (green-blind)
#DEC84F
Tritanopia (blue-blind)
#BACBB9
Achromatopsia (no color)
#C8C8C8

Design tokens & code

CSS
--color: #b1d643;
/* rgb */ color: rgb(177, 214, 67);
/* oklch */ color: oklch(82.2% 0.174 122.6);
Tailwind
colors: {
  custom: {
    50: '#cce27f',
    500: '#b1d643',
    950: '#000000',
  },
}
SCSS
$custom: #b1d643;
$custom-light: #cce27f;
$custom-dark: #000000;
JSON
{
  "hex": "#b1d643",
  "rgb": {
    "r": 177,
    "g": 214,
    "b": 67
  },
  "hsl": {
    "h": 75.102,
    "s": 64.192,
    "l": 55.098
  },
  "oklch": {
    "l": 0.82222,
    "c": 0.17404,
    "h": 122.6
  },
  "luminance": 0.57845
}

Semantic roles & 50–950 ramp

primary
#B1D643
secondary
#493489
accent
#41E76B
background
#FEFEFB
surface
#FBFCF2
border
#D4D5CC
text
#14150B
muted
#83847E

Preview Lab

Preview with #B1D643

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

Preview Lab → · Contrast checker → · Palette generator →

#B1D643 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva