#C1EF63#C1EF63

#C1EF63 is a very light, vivid yellow-green. Relative luminance 0.740; OKLCH L 89.2% C 0.174 H 125.1°. Best body text is #000000 at 15.79:1 contrast (WCAG AA passes).

Color values

HEX	#C1EF63
RGB	rgb(193, 239, 99)
HSL	hsl(80, 81%, 66%)
HSV	hsv(80, 59%, 94%)
CMYK	cmyk(19.2%, 0%, 58.6%, 6.3%)
CIE-LAB	lab(88.91, -35.26, 61.46)
CIE-LCH	lch(88.91, 70.86, 119.84°)
OKLab	oklab(89.23% -0.1003 0.1425)
OKLCH	oklch(89.23% 0.174 125.1)
XYZ	xyz(55.1111, 73.9708, 23.1763)
Luminance	0.7397 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C1EF63 #9163EF

analogous

#EFD763 #C1EF63 #7BEF63

triadic

#C1EF63 #63C1EF #EF63C1

tetradic

#C1EF63 #63EFD7 #9163EF #EF637B

square

#C1EF63 #63EFD7 #9163EF #EF637B

split-complementary

#C1EF63 #637BEF #D763EF

monochromatic

#8AC414 #ABE92B #C1EF63 #D7F59B #EDFAD2

Accessibility & contrast

On white

1.33

#C1EF63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.79

#C1EF63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C1EF63

15.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C1EF63	#FFFFFF	#000000	##000000
##C1EF63	1.00	1.33	15.79	15.79
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.79	21.00	1.00	1.00
##000000	15.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBE154

Deuteranopia (green-blind)

#F5DF6D

Tritanopia (blue-blind)

#C9E5D1

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #c1ef63;
/* rgb */ color: rgb(193, 239, 99);
/* oklch */ color: oklch(89.2% 0.174 125.1);

Tailwind

colors: {
  custom: {
    50: '#d7f494',
    500: '#c1ef63',
    950: '#000000',
  },
}

SCSS

$custom: #c1ef63;
$custom-light: #d7f494;
$custom-dark: #000000;

JSON

{
  "hex": "#c1ef63",
  "rgb": {
    "r": 193,
    "g": 239,
    "b": 99
  },
  "hsl": {
    "h": 79.714,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.89228,
    "c": 0.17427,
    "h": 125.1
  },
  "luminance": 0.73971
}

Semantic roles & 50–950 ramp

primary

#C1EF63

secondary

#6335C1

accent

#08DE4E

background

#FEFFFC

surface

#FCFEF5

border

#D5D6CF

text

#15170D

muted

#84857F

Preview Lab

Preview with #C1EF63

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

Preview Lab → · Contrast checker → · Palette generator →