#C9F577#C9F577

#C9F577 is a very light, vivid yellow-green. Relative luminance 0.791; OKLCH L 91.3% C 0.161 H 125.4°. Best body text is #000000 at 16.81:1 contrast (WCAG AA passes).

Color values

HEX	#C9F577
RGB	rgb(201, 245, 119)
HSL	hsl(81, 86%, 71%)
HSV	hsv(81, 51%, 96%)
CMYK	cmyk(18%, 0%, 51.4%, 3.9%)
CIE-LAB	lab(91.26, -33.24, 55.45)
CIE-LCH	lch(91.26, 64.65, 120.94°)
OKLab	oklab(91.32% -0.0934 0.1314)
OKLCH	oklch(91.32% 0.161 125.4)
XYZ	xyz(60.0695, 79.0537, 29.5434)
Luminance	0.7905 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Yellowish Green

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9F577 #A377F5

analogous

#F5E277 #C9F577 #8AF577

triadic

#C9F577 #77C9F5 #F577C9

tetradic

#C9F577 #77F5E2 #A377F5 #F5778A

square

#C9F577 #77F5E2 #A377F5 #F5778A

split-complementary

#C9F577 #778AF5 #E277F5

monochromatic

#98E111 #B2F13E #C9F577 #E0F9B0 #F4FDE2

Accessibility & contrast

On white

1.25

#C9F577 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.81

#C9F577 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9F577

16.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9F577	#FFFFFF	#000000	##000000
##C9F577	1.00	1.25	16.81	16.81
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.81	21.00	1.00	1.00
##000000	16.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE86B

Deuteranopia (green-blind)

#FAE57F

Tritanopia (blue-blind)

#D0EBD8

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #c9f577;
/* rgb */ color: rgb(201, 245, 119);
/* oklch */ color: oklch(91.3% 0.161 125.4);

Tailwind

colors: {
  custom: {
    50: '#dcf8a1',
    500: '#c9f577',
    950: '#000000',
  },
}

SCSS

$custom: #c9f577;
$custom-light: #dcf8a1;
$custom-dark: #000000;

JSON

{
  "hex": "#c9f577",
  "rgb": {
    "r": 201,
    "g": 245,
    "b": 119
  },
  "hsl": {
    "h": 80.952,
    "s": 86.301,
    "l": 71.373
  },
  "oklch": {
    "l": 0.91316,
    "c": 0.16117,
    "h": 125.4
  },
  "luminance": 0.79054
}

Semantic roles & 50–950 ramp

primary

#C9F577

secondary

#7240D0

accent

#03E351

background

#FEFFFC

surface

#FCFFF5

border

#D5D7CF

text

#15170F

muted

#848580

Preview Lab

Preview with #C9F577

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

Preview Lab → · Contrast checker → · Palette generator →