#C5F581#C5F581

#C5F581 is a very light, vivid yellow-green. Relative luminance 0.788; OKLCH L 91.2% C 0.153 H 127.6°. Best body text is #000000 at 16.75:1 contrast (WCAG AA passes).

Color values

HEX	#C5F581
RGB	rgb(197, 245, 129)
HSL	hsl(85, 85%, 73%)
HSV	hsv(85, 47%, 96%)
CMYK	cmyk(19.6%, 0%, 47.3%, 3.9%)
CIE-LAB	lab(91.13, -33.69, 50.59)
CIE-LCH	lch(91.13, 60.78, 123.66°)
OKLab	oklab(91.18% -0.0937 0.1214)
OKLCH	oklch(91.18% 0.153 127.6)
XYZ	xyz(59.6404, 78.7593, 32.8246)
Luminance	0.7876 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Yellowish Green

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5F581 #B181F5

analogous

#F5EB81 #C5F581 #8BF581

triadic

#C5F581 #81C5F5 #F581C5

tetradic

#C5F581 #81F5EB #B181F5 #F5818B

square

#C5F581 #81F5EB #B181F5 #F5818B

split-complementary

#C5F581 #818BF5 #EB81F5

monochromatic

#90E913 #ABF048 #C5F581 #DFF9BA #F2FDE3

Accessibility & contrast

On white

1.25

#C5F581 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.75

#C5F581 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5F581

16.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5F581	#FFFFFF	#000000	##000000
##C5F581	1.00	1.25	16.75	16.75
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.75	21.00	1.00	1.00
##000000	16.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE877

Deuteranopia (green-blind)

#F8E588

Tritanopia (blue-blind)

#CAECDA

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #c5f581;
/* rgb */ color: rgb(197, 245, 129);
/* oklch */ color: oklch(91.2% 0.153 127.6);

Tailwind

colors: {
  custom: {
    50: '#d8f8a8',
    500: '#c5f581',
    950: '#000000',
  },
}

SCSS

$custom: #c5f581;
$custom-light: #d8f8a8;
$custom-dark: #000000;

JSON

{
  "hex": "#c5f581",
  "rgb": {
    "r": 197,
    "g": 245,
    "b": 129
  },
  "hsl": {
    "h": 84.828,
    "s": 85.294,
    "l": 73.333
  },
  "oklch": {
    "l": 0.91182,
    "c": 0.15337,
    "h": 127.6
  },
  "luminance": 0.7876
}

Semantic roles & 50–950 ramp

primary

#C5F581

secondary

#8149D1

accent

#04E260

background

#FEFFFD

surface

#FCFFF7

border

#D5D7D0

text

#151710

muted

#848581

Preview Lab

Preview with #C5F581

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

Preview Lab → · Contrast checker → · Palette generator →