#C9EF4C#C9EF4C

#C9EF4C is a very light, vivid yellow-green. Relative luminance 0.747; OKLCH L 89.6% C 0.188 H 121.7°. Best body text is #000000 at 15.93:1 contrast (WCAG AA passes).

Color values

HEX	#C9EF4C
RGB	rgb(201, 239, 76)
HSL	hsl(74, 84%, 62%)
HSV	hsv(74, 68%, 94%)
CMYK	cmyk(15.9%, 0%, 68.2%, 6.3%)
CIE-LAB	lab(89.24, -33.81, 71.10)
CIE-LCH	lch(89.24, 78.73, 115.43°)
OKLab	oklab(89.57% -0.0987 0.1598)
OKLCH	oklch(89.57% 0.188 121.7)
XYZ	xyz(56.2592, 74.6723, 18.2854)
Luminance	0.7467 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9EF4C #724CEF

analogous

#EFC44C #C9EF4C #78EF4C

triadic

#C9EF4C #4CC9EF #EF4CC9

tetradic

#C9EF4C #4CEFC4 #724CEF #EF4C78

square

#C9EF4C #4CEFC4 #724CEF #EF4C78

split-complementary

#C9EF4C #4C78EF #C44CEF

monochromatic

#8BB110 #B8E915 #C9EF4C #DAF484 #EBF9BC

Accessibility & contrast

On white

1.32

#C9EF4C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.93

#C9EF4C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9EF4C

15.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9EF4C	#FFFFFF	#000000	##000000
##C9EF4C	1.00	1.32	15.93	15.93
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.93	21.00	1.00	1.00
##000000	15.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE132

Deuteranopia (green-blind)

#F8E059

Tritanopia (blue-blind)

#D3E3CF

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #c9ef4c;
/* rgb */ color: rgb(201, 239, 76);
/* oklch */ color: oklch(89.6% 0.188 121.7);

Tailwind

colors: {
  custom: {
    50: '#ddf487',
    500: '#c9ef4c',
    950: '#000000',
  },
}

SCSS

$custom: #c9ef4c;
$custom-light: #ddf487;
$custom-dark: #000000;

JSON

{
  "hex": "#c9ef4c",
  "rgb": {
    "r": 201,
    "g": 239,
    "b": 76
  },
  "hsl": {
    "h": 73.988,
    "s": 83.59,
    "l": 61.765
  },
  "oklch": {
    "l": 0.89568,
    "c": 0.18784,
    "h": 121.7
  },
  "luminance": 0.74672
}

Semantic roles & 50–950 ramp

primary

#C9EF4C

secondary

#4D2EB1

accent

#05E038

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170C

muted

#84857F

Preview Lab

Preview with #C9EF4C

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

Preview Lab → · Contrast checker → · Palette generator →