#C9E340#C9E340

#C9E340 is a very light, vivid yellow. Relative luminance 0.677; OKLCH L 86.8% C 0.182 H 118.3°. Best body text is #000000 at 14.55:1 contrast (WCAG AA passes).

Color values

HEX	#C9E340
RGB	rgb(201, 227, 64)
HSL	hsl(70, 74%, 57%)
HSV	hsv(70, 72%, 89%)
CMYK	cmyk(11.5%, 0%, 71.8%, 11%)
CIE-LAB	lab(85.87, -28.89, 71.98)
CIE-LCH	lch(85.87, 77.57, 111.87°)
OKLab	oklab(86.83% -0.0862 0.1598)
OKLCH	oklch(86.83% 0.182 118.3)
XYZ	xyz(52.4830, 67.7263, 15.1572)
Luminance	0.6773 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9E340 #5A40E3

analogous

#E3AC40 #C9E340 #77E340

triadic

#C9E340 #40C9E3 #E340C9

tetradic

#C9E340 #40E3AC #5A40E3 #E34077

square

#C9E340 #40E3AC #5A40E3 #E34077

split-complementary

#C9E340 #4077E3 #AC40E3

monochromatic

#7F9316 #ADC81D #C9E340 #D8EB75 #E7F3AB

Accessibility & contrast

On white

1.44

#C9E340 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.55

#C9E340 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9E340

14.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9E340	#FFFFFF	#000000	##000000
##C9E340	1.00	1.44	14.55	14.55
#FFFFFF	1.44	1.00	21.00	21.00
#000000	14.55	21.00	1.00	1.00
##000000	14.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2D620

Deuteranopia (green-blind)

#EFD74E

Tritanopia (blue-blind)

#D5D7C4

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #c9e340;
/* rgb */ color: rgb(201, 227, 64);
/* oklch */ color: oklch(86.8% 0.182 118.3);

Tailwind

colors: {
  custom: {
    50: '#ddeb80',
    500: '#c9e340',
    950: '#000000',
  },
}

SCSS

$custom: #c9e340;
$custom-light: #ddeb80;
$custom-dark: #000000;

JSON

{
  "hex": "#c9e340",
  "rgb": {
    "r": 201,
    "g": 227,
    "b": 64
  },
  "hsl": {
    "h": 69.571,
    "s": 74.429,
    "l": 57.059
  },
  "oklch": {
    "l": 0.8683,
    "c": 0.18156,
    "h": 118.3
  },
  "luminance": 0.67726
}

Semantic roles & 50–950 ramp

primary

#C9E340

secondary

#403097

accent

#37F154

background

#FEFEFB

surface

#FCFDF2

border

#D5D5CC

text

#16160B

muted

#84847E

Preview Lab

Preview with #C9E340

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

Preview Lab → · Contrast checker → · Palette generator →