#B1F571#B1F571

#B1F571 is a very light, vivid yellow-green. Relative luminance 0.758; OKLCH L 89.7% C 0.178 H 131.7°. Best body text is #000000 at 16.17:1 contrast (WCAG AA passes).

Color values

HEX#B1F571
RGBrgb(177, 245, 113)
HSLhsl(91, 87%, 70%)
HSVhsv(91, 54%, 96%)
CMYKcmyk(27.8%, 0%, 53.9%, 3.9%)
CIE-LABlab(89.79, -42.46, 56.08)
CIE-LCHlch(89.79, 70.34, 127.13°)
OKLaboklab(89.74% -0.1182 0.1325)
OKLCHoklch(89.74% 0.178 131.7)
XYZxyz(53.7638, 75.8426, 27.4260)
Luminance0.7584 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B1F571 #B571F5
analogous
#F3F571 #B1F571 #71F573
triadic
#B1F571 #71B1F5 #F571B1
tetradic
#B1F571 #71F3F5 #B571F5 #F57371
square
#B1F571 #71F3F5 #B571F5 #F57371
split-complementary
#B1F571 #7371F5 #F571F3
monochromatic
#73DC10 #92F138 #B1F571 #D0F9AA #EFFDE2

Accessibility & contrast

On white

1.30
#B1F571 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.17
#B1F571 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1F571
16.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B1F571#FFFFFF#000000##000000
##B1F5711.001.3016.1716.17
#FFFFFF1.301.0021.0021.00
#00000016.1721.001.001.00
##00000016.1721.001.001.00

Color blindness preview

Protanopia (red-blind)
#FEE564
Deuteranopia (green-blind)
#F5E07A
Tritanopia (blue-blind)
#B3ECD8
Achromatopsia (no color)
#E2E2E2

Design tokens & code

CSS
--color: #b1f571;
/* rgb */ color: rgb(177, 245, 113);
/* oklch */ color: oklch(89.7% 0.178 131.7);
Tailwind
colors: {
  custom: {
    50: '#cbf99d',
    500: '#b1f571',
    950: '#000000',
  },
}
SCSS
$custom: #b1f571;
$custom-light: #cbf99d;
$custom-dark: #000000;
JSON
{
  "hex": "#b1f571",
  "rgb": {
    "r": 177,
    "g": 245,
    "b": 113
  },
  "hsl": {
    "h": 90.909,
    "s": 86.842,
    "l": 70.196
  },
  "oklch": {
    "l": 0.8974,
    "c": 0.17757,
    "h": 131.7
  },
  "luminance": 0.75844
}

Semantic roles & 50–950 ramp

primary
#B1F571
secondary
#873BCF
accent
#02E376
background
#FEFFFC
surface
#FBFFF5
border
#D4D7CF
text
#14170F
muted
#838580

Preview Lab

Preview with #B1F571

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

Preview Lab → · Contrast checker → · Palette generator →

#B1F571 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva