#CFEF63#CFEF63

#CFEF63 is a very light, vivid yellow-green. Relative luminance 0.759; OKLCH L 90.2% C 0.169 H 120.7°. Best body text is #000000 at 16.18:1 contrast (WCAG AA passes).

Color values

HEX	#CFEF63
RGB	rgb(207, 239, 99)
HSL	hsl(74, 81%, 66%)
HSV	hsv(74, 59%, 94%)
CMYK	cmyk(13.4%, 0%, 58.6%, 6.3%)
CIE-LAB	lab(89.81, -29.93, 62.72)
CIE-LCH	lch(89.81, 69.49, 115.51°)
OKLab	oklab(90.19% -0.0862 0.145)
OKLCH	oklch(90.19% 0.169 120.7)
XYZ	xyz(58.8514, 75.8994, 23.3516)
Luminance	0.7590 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CFEF63 #8363EF

analogous

#EFC963 #CFEF63 #89EF63

triadic

#CFEF63 #63CFEF #EF63CF

tetradic

#CFEF63 #63EFC9 #8363EF #EF6389

square

#CFEF63 #63EFC9 #8363EF #EF6389

split-complementary

#CFEF63 #6389EF #C963EF

monochromatic

#9BC414 #BEE92B #CFEF63 #E0F59B #F1FAD2

Accessibility & contrast

On white

1.30

#CFEF63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.18

#CFEF63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CFEF63

16.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CFEF63	#FFFFFF	#000000	##000000
##CFEF63	1.00	1.30	16.18	16.18
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.18	21.00	1.00	1.00
##000000	16.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE253

Deuteranopia (green-blind)

#F9E26C

Tritanopia (blue-blind)

#D9E4D1

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #cfef63;
/* rgb */ color: rgb(207, 239, 99);
/* oklch */ color: oklch(90.2% 0.169 120.7);

Tailwind

colors: {
  custom: {
    50: '#e0f494',
    500: '#cfef63',
    950: '#000000',
  },
}

SCSS

$custom: #cfef63;
$custom-light: #e0f494;
$custom-dark: #000000;

JSON

{
  "hex": "#cfef63",
  "rgb": {
    "r": 207,
    "g": 239,
    "b": 99
  },
  "hsl": {
    "h": 73.714,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.90187,
    "c": 0.16869,
    "h": 120.7
  },
  "luminance": 0.75899
}

Semantic roles & 50–950 ramp

primary

#CFEF63

secondary

#5535C1

accent

#08DE39

background

#FEFFFC

surface

#FCFEF5

border

#D5D6CF

text

#16170E

muted

#84857F

Preview Lab

Preview with #CFEF63

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

Preview Lab → · Contrast checker → · Palette generator →