#C9F978#C9F978

#C9F978 is a very light, vivid yellow-green. Relative luminance 0.815; OKLCH L 92.2% C 0.166 H 126.4°. Best body text is #000000 at 17.31:1 contrast (WCAG AA passes).

Color values

HEX	#C9F978
RGB	rgb(201, 249, 120)
HSL	hsl(82, 91%, 72%)
HSV	hsv(82, 52%, 98%)
CMYK	cmyk(19.3%, 0%, 51.8%, 2.4%)
CIE-LAB	lab(92.36, -34.97, 56.31)
CIE-LCH	lch(92.36, 66.28, 121.84°)
OKLab	oklab(92.21% -0.0981 0.1333)
OKLCH	oklch(92.21% 0.166 126.4)
XYZ	xyz(61.3531, 81.5242, 30.2691)
Luminance	0.8153 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Yellowish Green

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9F978 #A878F9

analogous

#F9E978 #C9F978 #88F978

triadic

#C9F978 #78C9F9 #F978C9

tetradic

#C9F978 #78F9E9 #A878F9 #F97888

square

#C9F978 #78F9E9 #A878F9 #F97888

split-complementary

#C9F978 #7888F9 #E978F9

monochromatic

#98EC0A #B2F63D #C9F978 #E0FCB3 #F3FEE2

Accessibility & contrast

On white

1.21

#C9F978 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.31

#C9F978 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9F978

17.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9F978	#FFFFFF	#000000	##000000
##C9F978	1.00	1.21	17.31	17.31
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.31	21.00	1.00	1.00
##000000	17.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB6C

Deuteranopia (green-blind)

#FEE880

Tritanopia (blue-blind)

#CFEFDC

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #c9f978;
/* rgb */ color: rgb(201, 249, 120);
/* oklch */ color: oklch(92.2% 0.166 126.4);

Tailwind

colors: {
  custom: {
    50: '#dcfba2',
    500: '#c9f978',
    950: '#000000',
  },
}

SCSS

$custom: #c9f978;
$custom-light: #dcfba2;
$custom-dark: #000000;

JSON

{
  "hex": "#c9f978",
  "rgb": {
    "r": 201,
    "g": 249,
    "b": 120
  },
  "hsl": {
    "h": 82.326,
    "s": 91.489,
    "l": 72.353
  },
  "oklch": {
    "l": 0.92211,
    "c": 0.16553,
    "h": 126.4
  },
  "luminance": 0.81525
}

Semantic roles & 50–950 ramp

primary

#C9F978

secondary

#7840D5

accent

#00E655

background

#FEFFFC

surface

#FCFFF6

border

#D5D7D0

text

#15170F

muted

#848580

Preview Lab

Preview with #C9F978

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

Preview Lab → · Contrast checker → · Palette generator →