#C9EC54#C9EC54

#C9EC54 is a very light, vivid yellow-green. Relative luminance 0.730; OKLCH L 89.0% C 0.179 H 121.3°. Best body text is #000000 at 15.61:1 contrast (WCAG AA passes).

Color values

HEX#C9EC54
RGBrgb(201, 236, 84)
HSLhsl(74, 80%, 63%)
HSVhsv(74, 64%, 93%)
CMYKcmyk(14.8%, 0%, 64.4%, 7.5%)
CIE-LABlab(88.47, -31.93, 67.29)
CIE-LCHlch(88.47, 74.48, 115.39°)
OKLaboklab(88.97% -0.0928 0.1529)
OKLCHoklch(88.97% 0.179 121.3)
XYZxyz(55.6838, 73.0485, 19.5520)
Luminance0.7305 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C9EC54 #7754EC
analogous
#ECC354 #C9EC54 #7DEC54
triadic
#C9EC54 #54C9EC #EC54C9
tetradic
#C9EC54 #54ECC3 #7754EC #EC547D
square
#C9EC54 #54ECC3 #7754EC #EC547D
split-complementary
#C9EC54 #547DEC #C354EC
monochromatic
#8DB214 #B8E61D #C9EC54 #DAF28B #ECF8C2

Accessibility & contrast

On white

1.35
#C9EC54 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.61
#C9EC54 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9EC54
15.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C9EC54#FFFFFF#000000##000000
##C9EC541.001.3515.6115.61
#FFFFFF1.351.0021.0021.00
#00000015.6121.001.001.00
##00000015.6121.001.001.00

Color blindness preview

Protanopia (red-blind)
#FADF40
Deuteranopia (green-blind)
#F5DE5F
Tritanopia (blue-blind)
#D3E0CD
Achromatopsia (no color)
#DEDEDE

Design tokens & code

CSS
--color: #c9ec54;
/* rgb */ color: rgb(201, 236, 84);
/* oklch */ color: oklch(89.0% 0.179 121.3);
Tailwind
colors: {
  custom: {
    50: '#ddf28b',
    500: '#c9ec54',
    950: '#000000',
  },
}
SCSS
$custom: #c9ec54;
$custom-light: #ddf28b;
$custom-dark: #000000;
JSON
{
  "hex": "#c9ec54",
  "rgb": {
    "r": 201,
    "g": 236,
    "b": 84
  },
  "hsl": {
    "h": 73.816,
    "s": 80,
    "l": 62.745
  },
  "oklch": {
    "l": 0.88967,
    "c": 0.17888,
    "h": 121.3
  },
  "luminance": 0.73049
}

Semantic roles & 50–950 ramp

primary
#C9EC54
secondary
#5032B2
accent
#09DC3A
background
#FEFFFC
surface
#FCFEF4
border
#D5D6CE
text
#15160C
muted
#84857F

Preview Lab

Preview with #C9EC54

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

Preview Lab → · Contrast checker → · Palette generator →

#C9EC54 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva