#C9EF65#C9EF65

#C9EF65 is a very light, vivid yellow-green. Relative luminance 0.751; OKLCH L 89.8% C 0.169 H 122.8°. Best body text is #000000 at 16.02:1 contrast (WCAG AA passes).

Color values

HEX	#C9EF65
RGB	rgb(201, 239, 101)
HSL	hsl(77, 81%, 67%)
HSV	hsv(77, 58%, 94%)
CMYK	cmyk(15.9%, 0%, 57.7%, 6.3%)
CIE-LAB	lab(89.44, -32.07, 61.33)
CIE-LCH	lch(89.44, 69.21, 117.60°)
OKLab	oklab(89.79% -0.0917 0.1424)
OKLCH	oklch(89.79% 0.169 122.8)
XYZ	xyz(57.3033, 75.0899, 23.7843)
Luminance	0.7509 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9EF65 #8B65EF

analogous

#EFD065 #C9EF65 #84EF65

triadic

#C9EF65 #65C9EF #EF65C9

tetradic

#C9EF65 #65EFD0 #8B65EF #EF6584

square

#C9EF65 #65EFD0 #8B65EF #EF6584

split-complementary

#C9EF65 #6584EF #D065EF

monochromatic

#94C514 #B6E92E #C9EF65 #DCF59C #F0FBD4

Accessibility & contrast

On white

1.31

#C9EF65 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.02

#C9EF65 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9EF65

16.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9EF65	#FFFFFF	#000000	##000000
##C9EF65	1.00	1.31	16.02	16.02
#FFFFFF	1.31	1.00	21.00	21.00
#000000	16.02	21.00	1.00	1.00
##000000	16.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE256

Deuteranopia (green-blind)

#F7E16E

Tritanopia (blue-blind)

#D2E4D1

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #c9ef65;
/* rgb */ color: rgb(201, 239, 101);
/* oklch */ color: oklch(89.8% 0.169 122.8);

Tailwind

colors: {
  custom: {
    50: '#dcf495',
    500: '#c9ef65',
    950: '#000000',
  },
}

SCSS

$custom: #c9ef65;
$custom-light: #dcf495;
$custom-dark: #000000;

JSON

{
  "hex": "#c9ef65",
  "rgb": {
    "r": 201,
    "g": 239,
    "b": 101
  },
  "hsl": {
    "h": 76.522,
    "s": 81.176,
    "l": 66.667
  },
  "oklch": {
    "l": 0.89789,
    "c": 0.16932,
    "h": 122.8
  },
  "luminance": 0.7509
}

Semantic roles & 50–950 ramp

primary

#C9EF65

secondary

#5C36C3

accent

#08DE43

background

#FEFFFC

surface

#FCFEF5

border

#D5D6CF

text

#15170E

muted

#84857F

Preview Lab

Preview with #C9EF65

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

Preview Lab → · Contrast checker → · Palette generator →