#C5F54E#C5F54E

#C5F54E is a very light, vivid yellow-green. Relative luminance 0.777; OKLCH L 90.6% C 0.195 H 124.2°. Best body text is #000000 at 16.54:1 contrast (WCAG AA passes).

Color values

HEX	#C5F54E
RGB	rgb(197, 245, 78)
HSL	hsl(77, 89%, 63%)
HSV	hsv(77, 68%, 96%)
CMYK	cmyk(19.6%, 0%, 68.2%, 3.9%)
CIE-LAB	lab(90.65, -37.94, 71.73)
CIE-LCH	lch(90.65, 81.14, 117.87°)
OKLab	oklab(90.65% -0.1097 0.1615)
OKLCH	oklch(90.65% 0.195 124.2)
XYZ	xyz(57.0540, 77.7247, 19.2028)
Luminance	0.7772 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5F54E #7E4EF5

analogous

#F5D24E #C5F54E #71F54E

triadic

#C5F54E #4EC5F5 #F54EC5

tetradic

#C5F54E #4EF5D2 #7E4EF5 #F54E71

square

#C5F54E #4EF5D2 #7E4EF5 #F54E71

split-complementary

#C5F54E #4E71F5 #D24EF5

monochromatic

#8ABE0B #B2F214 #C5F54E #D8F888 #EBFCC2

Accessibility & contrast

On white

1.27

#C5F54E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.54

#C5F54E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5F54E

16.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5F54E	#FFFFFF	#000000	##000000
##C5F54E	1.00	1.27	16.54	16.54
#FFFFFF	1.27	1.00	21.00	21.00
#000000	16.54	21.00	1.00	1.00
##000000	16.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE634

Deuteranopia (green-blind)

#FCE45C

Tritanopia (blue-blind)

#CEE9D4

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #c5f54e;
/* rgb */ color: rgb(197, 245, 78);
/* oklch */ color: oklch(90.6% 0.195 124.2);

Tailwind

colors: {
  custom: {
    50: '#daf889',
    500: '#c5f54e',
    950: '#000000',
  },
}

SCSS

$custom: #c5f54e;
$custom-light: #daf889;
$custom-dark: #000000;

JSON

{
  "hex": "#c5f54e",
  "rgb": {
    "r": 197,
    "g": 245,
    "b": 78
  },
  "hsl": {
    "h": 77.246,
    "s": 89.305,
    "l": 63.333
  },
  "oklch": {
    "l": 0.9065,
    "c": 0.19524,
    "h": 124.2
  },
  "luminance": 0.77725
}

Semantic roles & 50–950 ramp

primary

#C5F54E

secondary

#552BBC

accent

#00E642

background

#FEFFFC

surface

#FCFFF4

border

#D5D7CE

text

#15170C

muted

#84857F

Preview Lab

Preview with #C5F54E

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

Preview Lab → · Contrast checker → · Palette generator →