#C5ED40#C5ED40

#C5ED40 is a very light, vivid yellow-green. Relative luminance 0.728; OKLCH L 88.8% C 0.194 H 122.0°. Best body text is #000000 at 15.56:1 contrast (WCAG AA passes).

Color values

HEX	#C5ED40
RGB	rgb(197, 237, 64)
HSL	hsl(74, 83%, 59%)
HSV	hsv(74, 73%, 93%)
CMYK	cmyk(16.9%, 0%, 73%, 7.1%)
CIE-LAB	lab(88.36, -35.09, 74.28)
CIE-LCH	lch(88.36, 82.16, 115.29°)
OKLab	oklab(88.77% -0.1031 0.1648)
OKLCH	oklch(88.77% 0.194 122)
XYZ	xyz(54.2364, 72.8087, 16.0457)
Luminance	0.7281 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5ED40 #6840ED

analogous

#EDBF40 #C5ED40 #6FED40

triadic

#C5ED40 #40C5ED #ED40C5

tetradic

#C5ED40 #40EDBF #6840ED #ED406F

square

#C5ED40 #40EDBF #6840ED #ED406F

split-complementary

#C5ED40 #406FED #BF40ED

monochromatic

#81A30F #ADDB15 #C5ED40 #D6F278 #E7F8B0

Accessibility & contrast

On white

1.35

#C5ED40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.56

#C5ED40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5ED40

15.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5ED40	#FFFFFF	#000000	##000000
##C5ED40	1.00	1.35	15.56	15.56
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.56	21.00	1.00	1.00
##000000	15.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBDF1B

Deuteranopia (green-blind)

#F6DE50

Tritanopia (blue-blind)

#CFE1CC

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #c5ed40;
/* rgb */ color: rgb(197, 237, 64);
/* oklch */ color: oklch(88.8% 0.194 122.0);

Tailwind

colors: {
  custom: {
    50: '#dbf381',
    500: '#c5ed40',
    950: '#000000',
  },
}

SCSS

$custom: #c5ed40;
$custom-light: #dbf381;
$custom-dark: #000000;

JSON

{
  "hex": "#c5ed40",
  "rgb": {
    "r": 197,
    "g": 237,
    "b": 64
  },
  "hsl": {
    "h": 73.873,
    "s": 82.775,
    "l": 59.02
  },
  "oklch": {
    "l": 0.88767,
    "c": 0.19433,
    "h": 122
  },
  "luminance": 0.72809
}

Semantic roles & 50–950 ramp

primary

#C5ED40

secondary

#482CA5

accent

#2FF95D

background

#FEFFFB

surface

#FCFEF2

border

#D5D6CC

text

#15170B

muted

#84857E

Preview Lab

Preview with #C5ED40

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

Preview Lab → · Contrast checker → · Palette generator →