#C1E451#C1E451

#C1E451 is a very light, vivid yellow-green. Relative luminance 0.674; OKLCH L 86.6% C 0.175 H 121.6°. Best body text is #000000 at 14.48:1 contrast (WCAG AA passes).

Color values

HEX	#C1E451
RGB	rgb(193, 228, 81)
HSL	hsl(74, 73%, 61%)
HSV	hsv(74, 64%, 89%)
CMYK	cmyk(15.4%, 0%, 64.5%, 10.6%)
CIE-LAB	lab(85.71, -31.54, 65.41)
CIE-LCH	lch(85.71, 72.61, 115.74°)
OKLab	oklab(86.6% -0.0916 0.1487)
OKLCH	oklch(86.6% 0.175 121.6)
XYZ	xyz(51.2216, 67.4183, 18.0976)
Luminance	0.6742 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C1E451 #7451E4

analogous

#E4BE51 #C1E451 #77E451

triadic

#C1E451 #51C1E4 #E451C1

tetradic

#C1E451 #51E4BE #7451E4 #E45177

square

#C1E451 #51E4BE #7451E4 #E45177

split-complementary

#C1E451 #5177E4 #BE51E4

monochromatic

#81A219 #ABD721 #C1E451 #D4EC86 #E7F4BB

Accessibility & contrast

On white

1.45

#C1E451 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.48

#C1E451 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C1E451

14.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C1E451	#FFFFFF	#000000	##000000
##C1E451	1.00	1.45	14.48	14.48
#FFFFFF	1.45	1.00	21.00	21.00
#000000	14.48	21.00	1.00	1.00
##000000	14.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F1D73D

Deuteranopia (green-blind)

#EDD65C

Tritanopia (blue-blind)

#CBD9C6

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #c1e451;
/* rgb */ color: rgb(193, 228, 81);
/* oklch */ color: oklch(86.6% 0.175 121.6);

Tailwind

colors: {
  custom: {
    50: '#d7ec89',
    500: '#c1e451',
    950: '#000000',
  },
}

SCSS

$custom: #c1e451;
$custom-light: #d7ec89;
$custom-dark: #000000;

JSON

{
  "hex": "#c1e451",
  "rgb": {
    "r": 193,
    "g": 228,
    "b": 81
  },
  "hsl": {
    "h": 74.286,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.86604,
    "c": 0.17463,
    "h": 121.6
  },
  "luminance": 0.67418
}

Semantic roles & 50–950 ramp

primary

#C1E451

secondary

#4F35A4

accent

#10D53F

background

#FEFEFC

surface

#FCFDF4

border

#D5D5CE

text

#15160C

muted

#84847F

Preview Lab

Preview with #C1E451

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

Preview Lab → · Contrast checker → · Palette generator →