#C4E54B#C4E54B

#C4E54B is a very light, vivid yellow-green. Relative luminance 0.683; OKLCH L 87.0% C 0.179 H 120.7°. Best body text is #000000 at 14.66:1 contrast (WCAG AA passes).

Color values

HEX	#C4E54B
RGB	rgb(196, 229, 75)
HSL	hsl(73, 75%, 60%)
HSV	hsv(73, 67%, 90%)
CMYK	cmyk(14.4%, 0%, 67.2%, 10.2%)
CIE-LAB	lab(86.15, -31.21, 68.23)
CIE-LCH	lch(86.15, 75.03, 114.58°)
OKLab	oklab(86.99% -0.0914 0.1537)
OKLCH	oklch(86.99% 0.179 120.7)
XYZ	xyz(52.0551, 68.2825, 17.0927)
Luminance	0.6828 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4E54B #6C4BE5

analogous

#E5B94B #C4E54B #77E54B

triadic

#C4E54B #4BC4E5 #E54BC4

tetradic

#C4E54B #4BE5B9 #6C4BE5 #E54B77

square

#C4E54B #4BE5B9 #6C4BE5 #E54B77

split-complementary

#C4E54B #4B77E5 #B94BE5

monochromatic

#829F17 #ADD41F #C4E54B #D6ED80 #E7F4B6

Accessibility & contrast

On white

1.43

#C4E54B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.66

#C4E54B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C4E54B

14.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4E54B	#FFFFFF	#000000	##000000
##C4E54B	1.00	1.43	14.66	14.66
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.66	21.00	1.00	1.00
##000000	14.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3D834

Deuteranopia (green-blind)

#EFD857

Tritanopia (blue-blind)

#CED9C6

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #c4e54b;
/* rgb */ color: rgb(196, 229, 75);
/* oklch */ color: oklch(87.0% 0.179 120.7);

Tailwind

colors: {
  custom: {
    50: '#d9ed85',
    500: '#c4e54b',
    950: '#000000',
  },
}

SCSS

$custom: #c4e54b;
$custom-light: #d9ed85;
$custom-dark: #000000;

JSON

{
  "hex": "#c4e54b",
  "rgb": {
    "r": 196,
    "g": 229,
    "b": 75
  },
  "hsl": {
    "h": 72.857,
    "s": 74.757,
    "l": 59.608
  },
  "oklch": {
    "l": 0.8699,
    "c": 0.17882,
    "h": 120.7
  },
  "luminance": 0.68282
}

Semantic roles & 50–950 ramp

primary

#C4E54B

secondary

#4A33A2

accent

#36F15E

background

#FEFEFC

surface

#FCFDF4

border

#D5D5CE

text

#15160C

muted

#84847F

Preview Lab

Preview with #C4E54B

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

Preview Lab → · Contrast checker → · Palette generator →