#C9F561#C9F561

#C9F561 is a very light, vivid yellow-green. Relative luminance 0.786; OKLCH L 91.1% C 0.180 H 124.0°. Best body text is #000000 at 16.72:1 contrast (WCAG AA passes).

Color values

HEX	#C9F561
RGB	rgb(201, 245, 97)
HSL	hsl(78, 88%, 67%)
HSV	hsv(78, 60%, 96%)
CMYK	cmyk(18%, 0%, 60.4%, 3.9%)
CIE-LAB	lab(91.05, -35.13, 64.81)
CIE-LCH	lch(91.05, 73.72, 118.46°)
OKLab	oklab(91.08% -0.1005 0.1493)
OKLCH	oklch(91.08% 0.18 124)
XYZ	xyz(58.8978, 78.5850, 23.3724)
Luminance	0.7859 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9F561 #8D61F5

analogous

#F5D761 #C9F561 #7FF561

triadic

#C9F561 #61C9F5 #F561C9

tetradic

#C9F561 #61F5D7 #8D61F5 #F5617F

square

#C9F561 #61F5D7 #8D61F5 #F5617F

split-complementary

#C9F561 #617FF5 #D761F5

monochromatic

#95CF0D #B5F127 #C9F561 #DDF99B #F0FCD4

Accessibility & contrast

On white

1.26

#C9F561 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.72

#C9F561 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9F561

16.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9F561	#FFFFFF	#000000	##000000
##C9F561	1.00	1.26	16.72	16.72
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.72	21.00	1.00	1.00
##000000	16.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE750

Deuteranopia (green-blind)

#FCE56B

Tritanopia (blue-blind)

#D2EAD6

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #c9f561;
/* rgb */ color: rgb(201, 245, 97);
/* oklch */ color: oklch(91.1% 0.180 124.0);

Tailwind

colors: {
  custom: {
    50: '#dcf893',
    500: '#c9f561',
    950: '#000000',
  },
}

SCSS

$custom: #c9f561;
$custom-light: #dcf893;
$custom-dark: #000000;

JSON

{
  "hex": "#c9f561",
  "rgb": {
    "r": 201,
    "g": 245,
    "b": 97
  },
  "hsl": {
    "h": 77.838,
    "s": 88.095,
    "l": 67.059
  },
  "oklch": {
    "l": 0.91076,
    "c": 0.18,
    "h": 124
  },
  "luminance": 0.78585
}

Semantic roles & 50–950 ramp

primary

#C9F561

secondary

#5E30CA

accent

#01E545

background

#FEFFFC

surface

#FCFFF5

border

#D5D7CF

text

#15170D

muted

#84857F

Preview Lab

Preview with #C9F561

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

Preview Lab → · Contrast checker → · Palette generator →