#C5E54E#C5E54E

#C5E54E is a very light, vivid yellow-green. Relative luminance 0.685; OKLCH L 87.1% C 0.176 H 120.5°. Best body text is #000000 at 14.69:1 contrast (WCAG AA passes).

Color values

HEX#C5E54E
RGBrgb(197, 229, 78)
HSLhsl(73, 74%, 60%)
HSVhsv(73, 66%, 90%)
CMYKcmyk(14%, 0%, 65.9%, 10.2%)
CIE-LABlab(86.24, -30.63, 67.20)
CIE-LCHlch(86.24, 73.85, 114.50°)
OKLaboklab(87.08% -0.0895 0.152)
OKLCHoklch(87.08% 0.176 120.5)
XYZxyz(52.4212, 68.4591, 17.6586)
Luminance0.6846 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C5E54E #6E4EE5
analogous
#E5B94E #C5E54E #7AE54E
triadic
#C5E54E #4EC5E5 #E54EC5
tetradic
#C5E54E #4EE5B9 #6E4EE5 #E54E7A
square
#C5E54E #4EE5B9 #6E4EE5 #E54E7A
split-complementary
#C5E54E #4E7AE5 #B94EE5
monochromatic
#84A118 #B0D61F #C5E54E #D6ED83 #E8F5B9

Accessibility & contrast

On white

1.43
#C5E54E on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.69
#C5E54E on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5E54E
14.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C5E54E#FFFFFF#000000##000000
##C5E54E1.001.4314.6914.69
#FFFFFF1.431.0021.0021.00
#00000014.6921.001.001.00
##00000014.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#F3D839
Deuteranopia (green-blind)
#EFD859
Tritanopia (blue-blind)
#CFD9C6
Achromatopsia (no color)
#D8D8D8

Design tokens & code

CSS
--color: #c5e54e;
/* rgb */ color: rgb(197, 229, 78);
/* oklch */ color: oklch(87.1% 0.176 120.5);
Tailwind
colors: {
  custom: {
    50: '#daed87',
    500: '#c5e54e',
    950: '#000000',
  },
}
SCSS
$custom: #c5e54e;
$custom-light: #daed87;
$custom-dark: #000000;
JSON
{
  "hex": "#c5e54e",
  "rgb": {
    "r": 197,
    "g": 229,
    "b": 78
  },
  "hsl": {
    "h": 72.715,
    "s": 74.384,
    "l": 60.196
  },
  "oklch": {
    "l": 0.87084,
    "c": 0.17639,
    "h": 120.5
  },
  "luminance": 0.68459
}

Semantic roles & 50–950 ramp

primary
#C5E54E
secondary
#4B34A4
accent
#0FD739
background
#FEFEFC
surface
#FCFDF4
border
#D5D5CE
text
#15160C
muted
#84847F

Preview Lab

Preview with #C5E54E

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

Preview Lab → · Contrast checker → · Palette generator →

#C5E54E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva