#C5E54E#C5E54E

#C5E54E is a very light, vivid yellow-green. Relative luminance 0.685; OKLCH L 87.1% C 0.176 H 120.5°. Best body text is #000000 at 14.69:1 contrast (WCAG AA passes).

Color values

HEX	#C5E54E
RGB	rgb(197, 229, 78)
HSL	hsl(73, 74%, 60%)
HSV	hsv(73, 66%, 90%)
CMYK	cmyk(14%, 0%, 65.9%, 10.2%)
CIE-LAB	lab(86.24, -30.63, 67.20)
CIE-LCH	lch(86.24, 73.85, 114.50°)
OKLab	oklab(87.08% -0.0895 0.152)
OKLCH	oklch(87.08% 0.176 120.5)
XYZ	xyz(52.4212, 68.4591, 17.6586)
Luminance	0.6846 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5E54E #6E4EE5

analogous

#E5B94E #C5E54E #7AE54E

triadic

#C5E54E #4EC5E5 #E54EC5

tetradic

#C5E54E #4EE5B9 #6E4EE5 #E54E7A

square

#C5E54E #4EE5B9 #6E4EE5 #E54E7A

split-complementary

#C5E54E #4E7AE5 #B94EE5

monochromatic

#84A118 #B0D61F #C5E54E #D6ED83 #E8F5B9

Accessibility & contrast

On white

1.43

#C5E54E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.69

#C5E54E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5E54E

14.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5E54E	#FFFFFF	#000000	##000000
##C5E54E	1.00	1.43	14.69	14.69
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.69	21.00	1.00	1.00
##000000	14.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3D839

Deuteranopia (green-blind)

#EFD859

Tritanopia (blue-blind)

#CFD9C6

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #c5e54e;
/* rgb */ color: rgb(197, 229, 78);
/* oklch */ color: oklch(87.1% 0.176 120.5);

Tailwind

colors: {
  custom: {
    50: '#daed87',
    500: '#c5e54e',
    950: '#000000',
  },
}

SCSS

$custom: #c5e54e;
$custom-light: #daed87;
$custom-dark: #000000;

JSON

{
  "hex": "#c5e54e",
  "rgb": {
    "r": 197,
    "g": 229,
    "b": 78
  },
  "hsl": {
    "h": 72.715,
    "s": 74.384,
    "l": 60.196
  },
  "oklch": {
    "l": 0.87084,
    "c": 0.17639,
    "h": 120.5
  },
  "luminance": 0.68459
}

Semantic roles & 50–950 ramp

primary

#C5E54E

secondary

#4B34A4

accent

#0FD739

background

#FEFEFC

surface

#FCFDF4

border

#D5D5CE

text

#15160C

muted

#84847F

Preview Lab

Preview with #C5E54E

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

Preview Lab → · Contrast checker → · Palette generator →