#C5E643#C5E643

#C5E643 is a very light, vivid yellow-green. Relative luminance 0.689; OKLCH L 87.2% C 0.185 H 120.4°. Best body text is #000000 at 14.77:1 contrast (WCAG AA passes).

Color values

HEX	#C5E643
RGB	rgb(197, 230, 67)
HSL	hsl(72, 77%, 58%)
HSV	hsv(72, 71%, 90%)
CMYK	cmyk(14.3%, 0%, 70.9%, 9.8%)
CIE-LAB	lab(86.44, -31.73, 71.42)
CIE-LCH	lch(86.44, 78.15, 113.95°)
OKLab	oklab(87.23% -0.0935 0.1592)
OKLCH	oklch(87.23% 0.185 120.4)
XYZ	xyz(52.3368, 68.8693, 15.8450)
Luminance	0.6887 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5E643 #6443E6

analogous

#E6B543 #C5E643 #73E643

triadic

#C5E643 #43C5E6 #E643C5

tetradic

#C5E643 #43E6B5 #6443E6 #E64373

square

#C5E643 #43E6B5 #6443E6 #E64373

split-complementary

#C5E643 #4373E6 #B543E6

monochromatic

#7F9A14 #ACD01C #C5E643 #D6ED79 #E6F4AF

Accessibility & contrast

On white

1.42

#C5E643 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.77

#C5E643 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5E643

14.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5E643	#FFFFFF	#000000	##000000
##C5E643	1.00	1.42	14.77	14.77
#FFFFFF	1.42	1.00	21.00	21.00
#000000	14.77	21.00	1.00	1.00
##000000	14.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4D925

Deuteranopia (green-blind)

#F0D951

Tritanopia (blue-blind)

#D0DAC6

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #c5e643;
/* rgb */ color: rgb(197, 230, 67);
/* oklch */ color: oklch(87.2% 0.185 120.4);

Tailwind

colors: {
  custom: {
    50: '#daee81',
    500: '#c5e643',
    950: '#000000',
  },
}

SCSS

$custom: #c5e643;
$custom-light: #daee81;
$custom-dark: #000000;

JSON

{
  "hex": "#c5e643",
  "rgb": {
    "r": 197,
    "g": 230,
    "b": 67
  },
  "hsl": {
    "h": 72.147,
    "s": 76.526,
    "l": 58.235
  },
  "oklch": {
    "l": 0.87226,
    "c": 0.18465,
    "h": 120.4
  },
  "luminance": 0.68869
}

Semantic roles & 50–950 ramp

primary

#C5E643

secondary

#46309E

accent

#35F35B

background

#FEFEFB

surface

#FCFDF2

border

#D5D5CC

text

#15160B

muted

#84847E

Preview Lab

Preview with #C5E643

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

Preview Lab → · Contrast checker → · Palette generator →