#C9F18C#C9F18C

#C9F18C is a very light, vivid yellow-green. Relative luminance 0.772; OKLCH L 90.7% C 0.135 H 126.6°. Best body text is #000000 at 16.44:1 contrast (WCAG AA passes).

Color values

HEX	#C9F18C
RGB	rgb(201, 241, 140)
HSL	hsl(84, 78%, 75%)
HSV	hsv(84, 42%, 95%)
CMYK	cmyk(16.6%, 0%, 41.9%, 5.5%)
CIE-LAB	lab(90.42, -29.15, 44.51)
CIE-LCH	lch(90.42, 53.20, 123.22°)
OKLab	oklab(90.73% -0.0804 0.1084)
OKLCH	oklch(90.73% 0.135 126.6)
XYZ	xyz(60.2759, 77.2209, 36.5354)
Luminance	0.7722 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Yellowish Green

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9F18C #B48CF1

analogous

#F1E68C #C9F18C #97F18C

triadic

#C9F18C #8CC9F1 #F18CC9

tetradic

#C9F18C #8CF1E6 #B48CF1 #F18C97

square

#C9F18C #8CF1E6 #B48CF1 #F18C97

split-complementary

#C9F18C #8C97F1 #E68CF1

monochromatic

#96E41F #AFEA55 #C9F18C #E3F8C3 #F2FCE4

Accessibility & contrast

On white

1.28

#C9F18C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.44

#C9F18C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9F18C

16.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9F18C	#FFFFFF	#000000	##000000
##C9F18C	1.00	1.28	16.44	16.44
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.44	21.00	1.00	1.00
##000000	16.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBE584

Deuteranopia (green-blind)

#F5E391

Tritanopia (blue-blind)

#CEE9D9

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #c9f18c;
/* rgb */ color: rgb(201, 241, 140);
/* oklch */ color: oklch(90.7% 0.135 126.6);

Tailwind

colors: {
  custom: {
    50: '#dbf5af',
    500: '#c9f18c',
    950: '#000000',
  },
}

SCSS

$custom: #c9f18c;
$custom-light: #dbf5af;
$custom-dark: #000000;

JSON

{
  "hex": "#c9f18c",
  "rgb": {
    "r": 201,
    "g": 241,
    "b": 140
  },
  "hsl": {
    "h": 83.762,
    "s": 78.295,
    "l": 74.706
  },
  "oklch": {
    "l": 0.90727,
    "c": 0.13496,
    "h": 126.6
  },
  "luminance": 0.77222
}

Semantic roles & 50–950 ramp

primary

#C9F18C

secondary

#8454CD

accent

#0BDB5D

background

#FEFFFD

surface

#FCFEF7

border

#D5D6D0

text

#151710

muted

#848581

Preview Lab

Preview with #C9F18C

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

Preview Lab → · Contrast checker → · Palette generator →