#C5EF64#C5EF64

#C5EF64 is a very light, vivid yellow-green. Relative luminance 0.745; OKLCH L 89.5% C 0.172 H 124.0°. Best body text is #000000 at 15.90:1 contrast (WCAG AA passes).

Color values

HEX	#C5EF64
RGB	rgb(197, 239, 100)
HSL	hsl(78, 81%, 66%)
HSV	hsv(78, 58%, 94%)
CMYK	cmyk(17.6%, 0%, 58.2%, 6.3%)
CIE-LAB	lab(89.17, -33.67, 61.40)
CIE-LCH	lch(89.17, 70.02, 118.74°)
OKLab	oklab(89.51% -0.096 0.1424)
OKLCH	oklch(89.51% 0.172 124)
XYZ	xyz(56.1930, 74.5230, 23.4781)
Luminance	0.7452 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5EF64 #8E64EF

analogous

#EFD364 #C5EF64 #80EF64

triadic

#C5EF64 #64C5EF #EF64C5

tetradic

#C5EF64 #64EFD3 #8E64EF #EF6480

square

#C5EF64 #64EFD3 #8E64EF #EF6480

split-complementary

#C5EF64 #6480EF #D364EF

monochromatic

#8FC414 #B0E92D #C5EF64 #DAF59B #EFFAD3

Accessibility & contrast

On white

1.32

#C5EF64 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.90

#C5EF64 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5EF64

15.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5EF64	#FFFFFF	#000000	##000000
##C5EF64	1.00	1.32	15.90	15.90
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.90	21.00	1.00	1.00
##000000	15.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBE155

Deuteranopia (green-blind)

#F6E06D

Tritanopia (blue-blind)

#CDE4D1

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #c5ef64;
/* rgb */ color: rgb(197, 239, 100);
/* oklch */ color: oklch(89.5% 0.172 124.0);

Tailwind

colors: {
  custom: {
    50: '#d9f495',
    500: '#c5ef64',
    950: '#000000',
  },
}

SCSS

$custom: #c5ef64;
$custom-light: #d9f495;
$custom-dark: #000000;

JSON

{
  "hex": "#c5ef64",
  "rgb": {
    "r": 197,
    "g": 239,
    "b": 100
  },
  "hsl": {
    "h": 78.129,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.89506,
    "c": 0.17176,
    "h": 124
  },
  "luminance": 0.74523
}

Semantic roles & 50–950 ramp

primary

#C5EF64

secondary

#6035C2

accent

#08DE48

background

#FEFFFC

surface

#FCFEF5

border

#D5D6CF

text

#15170E

muted

#84857F

Preview Lab

Preview with #C5EF64

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

Preview Lab → · Contrast checker → · Palette generator →