#C4E451#C4E451

#C4E451 is a very light, vivid yellow-green. Relative luminance 0.678; OKLCH L 86.8% C 0.173 H 120.7°. Best body text is #000000 at 14.56:1 contrast (WCAG AA passes).

Color values

HEX	#C4E451
RGB	rgb(196, 228, 81)
HSL	hsl(73, 73%, 61%)
HSV	hsv(73, 64%, 89%)
CMYK	cmyk(14%, 0%, 64.5%, 10.6%)
CIE-LAB	lab(85.91, -30.36, 65.68)
CIE-LCH	lch(85.91, 72.36, 114.81°)
OKLab	oklab(86.82% -0.0885 0.1492)
OKLCH	oklch(86.82% 0.173 120.7)
XYZ	xyz(51.9943, 67.8168, 18.1338)
Luminance	0.6782 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4E451 #7151E4

analogous

#E4BA51 #C4E451 #7AE451

triadic

#C4E451 #51C4E4 #E451C4

tetradic

#C4E451 #51E4BA #7151E4 #E4517A

square

#C4E451 #51E4BA #7151E4 #E4517A

split-complementary

#C4E451 #517AE4 #BA51E4

monochromatic

#84A219 #AFD721 #C4E451 #D6EC86 #E8F4BB

Accessibility & contrast

On white

1.44

#C4E451 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.56

#C4E451 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C4E451

14.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4E451	#FFFFFF	#000000	##000000
##C4E451	1.00	1.44	14.56	14.56
#FFFFFF	1.44	1.00	21.00	21.00
#000000	14.56	21.00	1.00	1.00
##000000	14.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2D73D

Deuteranopia (green-blind)

#EED75C

Tritanopia (blue-blind)

#CED9C6

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #c4e451;
/* rgb */ color: rgb(196, 228, 81);
/* oklch */ color: oklch(86.8% 0.173 120.7);

Tailwind

colors: {
  custom: {
    50: '#d9ec89',
    500: '#c4e451',
    950: '#000000',
  },
}

SCSS

$custom: #c4e451;
$custom-light: #d9ec89;
$custom-dark: #000000;

JSON

{
  "hex": "#c4e451",
  "rgb": {
    "r": 196,
    "g": 228,
    "b": 81
  },
  "hsl": {
    "h": 73.061,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.86816,
    "c": 0.17347,
    "h": 120.7
  },
  "luminance": 0.67817
}

Semantic roles & 50–950 ramp

primary

#C4E451

secondary

#4D35A4

accent

#10D53B

background

#FEFEFC

surface

#FCFDF4

border

#D5D5CE

text

#15160C

muted

#84847F

Preview Lab

Preview with #C4E451

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

Preview Lab → · Contrast checker → · Palette generator →