#C9FF54#C9FF54

#C9FF54 is a very light, highly saturated yellow-green. Relative luminance 0.846; OKLCH L 93.2% C 0.201 H 125.3°. Best body text is #000000 at 17.92:1 contrast (WCAG AA passes).

Color values

HEX	#C9FF54
RGB	rgb(201, 255, 84)
HSL	hsl(79, 100%, 66%)
HSV	hsv(79, 67%, 100%)
CMYK	cmyk(21.2%, 0%, 67.1%, 0%)
CIE-LAB	lab(93.70, -40.51, 72.72)
CIE-LCH	lch(93.70, 83.24, 119.12°)
OKLab	oklab(93.19% -0.1165 0.1643)
OKLCH	oklch(93.19% 0.201 125.3)
XYZ	xyz(61.4480, 84.5769, 21.4734)
Luminance	0.8458 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9FF54 #8A54FF

analogous

#FFDF54 #C9FF54 #74FF54

triadic

#C9FF54 #54C9FF #FF54C9

tetradic

#C9FF54 #54FFDF #8A54FF #FF5474

square

#C9FF54 #54FFDF #8A54FF #FF5474

split-complementary

#C9FF54 #5474FF #DF54FF

monochromatic

#94D900 #B6FF17 #C9FF54 #DCFF91 #F0FFCE

Accessibility & contrast

On white

1.17

#C9FF54 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.92

#C9FF54 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9FF54

17.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9FF54	#FFFFFF	#000000	##000000
##C9FF54	1.00	1.17	17.92	17.92
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.92	21.00	1.00	1.00
##000000	17.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF3A

Deuteranopia (green-blind)

#FFEC62

Tritanopia (blue-blind)

#D1F3DD

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #c9ff54;
/* rgb */ color: rgb(201, 255, 84);
/* oklch */ color: oklch(93.2% 0.201 125.3);

Tailwind

colors: {
  custom: {
    50: '#ddff8d',
    500: '#c9ff54',
    950: '#000000',
  },
}

SCSS

$custom: #c9ff54;
$custom-light: #ddff8d;
$custom-dark: #000000;

JSON

{
  "hex": "#c9ff54",
  "rgb": {
    "r": 201,
    "g": 255,
    "b": 84
  },
  "hsl": {
    "h": 78.947,
    "s": 100,
    "l": 66.471
  },
  "oklch": {
    "l": 0.93189,
    "c": 0.20146,
    "h": 125.3
  },
  "luminance": 0.84578
}

Semantic roles & 50–950 ramp

primary

#C9FF54

secondary

#5C25D2

accent

#00E648

background

#FEFFFC

surface

#FCFFF4

border

#D5D7CE

text

#16180D

muted

#84867F

Preview Lab

Preview with #C9FF54

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

Preview Lab → · Contrast checker → · Palette generator →