#C9FF4E#C9FF4E

#C9FF4E is a very light, highly saturated yellow-green. Relative luminance 0.845; OKLCH L 93.1% C 0.205 H 125.1°. Best body text is #000000 at 17.90:1 contrast (WCAG AA passes).

Color values

HEX	#C9FF4E
RGB	rgb(201, 255, 78)
HSL	hsl(78, 100%, 65%)
HSV	hsv(78, 69%, 100%)
CMYK	cmyk(21.2%, 0%, 69.4%, 0%)
CIE-LAB	lab(93.66, -40.87, 74.84)
CIE-LCH	lch(93.66, 85.27, 118.64°)
OKLab	oklab(93.15% -0.118 0.1679)
OKLCH	oklch(93.15% 0.205 125.1)
XYZ	xyz(61.2230, 84.4869, 20.2884)
Luminance	0.8449 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9FF4E #844EFF

analogous

#FFDC4E #C9FF4E #70FF4E

triadic

#C9FF4E #4EC9FF #FF4EC9

tetradic

#C9FF4E #4EFFDC #844EFF #FF4E70

square

#C9FF4E #4EFFDC #844EFF #FF4E70

split-complementary

#C9FF4E #4E70FF #DC4EFF

monochromatic

#92D300 #B6FF11 #C9FF4E #DCFF8B #EEFFC8

Accessibility & contrast

On white

1.17

#C9FF4E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.90

#C9FF4E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9FF4E

17.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9FF4E	#FFFFFF	#000000	##000000
##C9FF4E	1.00	1.17	17.90	17.90
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.90	21.00	1.00	1.00
##000000	17.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF30

Deuteranopia (green-blind)

#FFEC5D

Tritanopia (blue-blind)

#D2F3DC

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #c9ff4e;
/* rgb */ color: rgb(201, 255, 78);
/* oklch */ color: oklch(93.1% 0.205 125.1);

Tailwind

colors: {
  custom: {
    50: '#ddff8a',
    500: '#c9ff4e',
    950: '#000000',
  },
}

SCSS

$custom: #c9ff4e;
$custom-light: #ddff8a;
$custom-dark: #000000;

JSON

{
  "hex": "#c9ff4e",
  "rgb": {
    "r": 201,
    "g": 255,
    "b": 78
  },
  "hsl": {
    "h": 78.305,
    "s": 100,
    "l": 65.294
  },
  "oklch": {
    "l": 0.93145,
    "c": 0.20525,
    "h": 125.1
  },
  "luminance": 0.84488
}

Semantic roles & 50–950 ramp

primary

#C9FF4E

secondary

#5824CD

accent

#00E646

background

#FEFFFC

surface

#FCFFF4

border

#D5D7CE

text

#16180C

muted

#84867F

Preview Lab

Preview with #C9FF4E

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

Preview Lab → · Contrast checker → · Palette generator →