#C1E551#C1E551

#C1E551 is a very light, vivid yellow-green. Relative luminance 0.680; OKLCH L 86.8% C 0.176 H 121.9°. Best body text is #000000 at 14.59:1 contrast (WCAG AA passes).

Color values

HEX	#C1E551
RGB	rgb(193, 229, 81)
HSL	hsl(75, 74%, 61%)
HSV	hsv(75, 65%, 90%)
CMYK	cmyk(15.7%, 0%, 64.6%, 10.2%)
CIE-LAB	lab(85.99, -32.00, 65.70)
CIE-LCH	lch(85.99, 73.08, 115.97°)
OKLab	oklab(86.83% -0.0928 0.1493)
OKLCH	oklch(86.83% 0.176 121.9)
XYZ	xyz(51.4975, 67.9701, 18.1895)
Luminance	0.6797 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C1E551 #7551E5

analogous

#E5BF51 #C1E551 #77E551

triadic

#C1E551 #51C1E5 #E551C1

tetradic

#C1E551 #51E5BF #7551E5 #E55177

square

#C1E551 #51E5BF #7551E5 #E55177

split-complementary

#C1E551 #5177E5 #BF51E5

monochromatic

#81A318 #ACD820 #C1E551 #D4ED86 #E7F5BB

Accessibility & contrast

On white

1.44

#C1E551 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.59

#C1E551 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C1E551

14.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C1E551	#FFFFFF	#000000	##000000
##C1E551	1.00	1.44	14.59	14.59
#FFFFFF	1.44	1.00	21.00	21.00
#000000	14.59	21.00	1.00	1.00
##000000	14.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2D83D

Deuteranopia (green-blind)

#EED75C

Tritanopia (blue-blind)

#CBDAC7

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #c1e551;
/* rgb */ color: rgb(193, 229, 81);
/* oklch */ color: oklch(86.8% 0.176 121.9);

Tailwind

colors: {
  custom: {
    50: '#d7ed89',
    500: '#c1e551',
    950: '#000000',
  },
}

SCSS

$custom: #c1e551;
$custom-light: #d7ed89;
$custom-dark: #000000;

JSON

{
  "hex": "#c1e551",
  "rgb": {
    "r": 193,
    "g": 229,
    "b": 81
  },
  "hsl": {
    "h": 74.595,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.86827,
    "c": 0.17582,
    "h": 121.9
  },
  "luminance": 0.6797
}

Semantic roles & 50–950 ramp

primary

#C1E551

secondary

#5035A6

accent

#0FD640

background

#FEFEFC

surface

#FCFDF4

border

#D5D5CE

text

#15160C

muted

#84847F

Preview Lab

Preview with #C1E551

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

Preview Lab → · Contrast checker → · Palette generator →