#C1E55B#C1E55B

#C1E55B is a very light, vivid yellow-green. Relative luminance 0.681; OKLCH L 86.9% C 0.168 H 122.3°. Best body text is #000000 at 14.63:1 contrast (WCAG AA passes).

Color values

HEX#C1E55B
RGBrgb(193, 229, 91)
HSLhsl(76, 73%, 63%)
HSVhsv(76, 60%, 90%)
CMYKcmyk(15.7%, 0%, 60.3%, 10.2%)
CIE-LABlab(86.07, -31.29, 61.71)
CIE-LCHlch(86.07, 69.19, 116.89°)
OKLaboklab(86.92% -0.0899 0.1422)
OKLCHoklch(86.92% 0.168 122.3)
XYZxyz(51.9004, 68.1313, 20.3119)
Luminance0.6813 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C1E55B #7F5BE5
analogous
#E5C45B #C1E55B #7CE55B
triadic
#C1E55B #5BC1E5 #E55BC1
tetradic
#C1E55B #5BE5C4 #7F5BE5 #E55B7C
square
#C1E55B #5BE5C4 #7F5BE5 #E55B7C
split-complementary
#C1E55B #5B7CE5 #C45BE5
monochromatic
#85AB1B #ADDD26 #C1E55B #D5ED90 #E9F6C5

Accessibility & contrast

On white

1.44
#C1E55B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.63
#C1E55B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C1E55B
14.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C1E55B#FFFFFF#000000##000000
##C1E55B1.001.4414.6314.63
#FFFFFF1.441.0021.0021.00
#00000014.6321.001.001.00
##00000014.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#F2D84B
Deuteranopia (green-blind)
#EDD764
Tritanopia (blue-blind)
#CADAC8
Achromatopsia (no color)
#D7D7D7

Design tokens & code

CSS
--color: #c1e55b;
/* rgb */ color: rgb(193, 229, 91);
/* oklch */ color: oklch(86.9% 0.168 122.3);
Tailwind
colors: {
  custom: {
    50: '#d6ed8f',
    500: '#c1e55b',
    950: '#000000',
  },
}
SCSS
$custom: #c1e55b;
$custom-light: #d6ed8f;
$custom-dark: #000000;
JSON
{
  "hex": "#c1e55b",
  "rgb": {
    "r": 193,
    "g": 229,
    "b": 91
  },
  "hsl": {
    "h": 75.652,
    "s": 72.632,
    "l": 62.745
  },
  "oklch": {
    "l": 0.86918,
    "c": 0.16822,
    "h": 122.3
  },
  "luminance": 0.68131
}

Semantic roles & 50–950 ramp

primary
#C1E55B
secondary
#5638AC
accent
#11D544
background
#FEFEFC
surface
#FCFDF4
border
#D5D5CE
text
#15160D
muted
#84847F

Preview Lab

Preview with #C1E55B

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

Preview Lab → · Contrast checker → · Palette generator →

#C1E55B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva