#C1E55B#C1E55B

#C1E55B is a very light, vivid yellow-green. Relative luminance 0.681; OKLCH L 86.9% C 0.168 H 122.3°. Best body text is #000000 at 14.63:1 contrast (WCAG AA passes).

Color values

HEX	#C1E55B
RGB	rgb(193, 229, 91)
HSL	hsl(76, 73%, 63%)
HSV	hsv(76, 60%, 90%)
CMYK	cmyk(15.7%, 0%, 60.3%, 10.2%)
CIE-LAB	lab(86.07, -31.29, 61.71)
CIE-LCH	lch(86.07, 69.19, 116.89°)
OKLab	oklab(86.92% -0.0899 0.1422)
OKLCH	oklch(86.92% 0.168 122.3)
XYZ	xyz(51.9004, 68.1313, 20.3119)
Luminance	0.6813 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C1E55B #7F5BE5

analogous

#E5C45B #C1E55B #7CE55B

triadic

#C1E55B #5BC1E5 #E55BC1

tetradic

#C1E55B #5BE5C4 #7F5BE5 #E55B7C

square

#C1E55B #5BE5C4 #7F5BE5 #E55B7C

split-complementary

#C1E55B #5B7CE5 #C45BE5

monochromatic

#85AB1B #ADDD26 #C1E55B #D5ED90 #E9F6C5

Accessibility & contrast

On white

1.44

#C1E55B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.63

#C1E55B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C1E55B

14.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C1E55B	#FFFFFF	#000000	##000000
##C1E55B	1.00	1.44	14.63	14.63
#FFFFFF	1.44	1.00	21.00	21.00
#000000	14.63	21.00	1.00	1.00
##000000	14.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2D84B

Deuteranopia (green-blind)

#EDD764

Tritanopia (blue-blind)

#CADAC8

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #c1e55b;
/* rgb */ color: rgb(193, 229, 91);
/* oklch */ color: oklch(86.9% 0.168 122.3);

Tailwind

colors: {
  custom: {
    50: '#d6ed8f',
    500: '#c1e55b',
    950: '#000000',
  },
}

SCSS

$custom: #c1e55b;
$custom-light: #d6ed8f;
$custom-dark: #000000;

JSON

{
  "hex": "#c1e55b",
  "rgb": {
    "r": 193,
    "g": 229,
    "b": 91
  },
  "hsl": {
    "h": 75.652,
    "s": 72.632,
    "l": 62.745
  },
  "oklch": {
    "l": 0.86918,
    "c": 0.16822,
    "h": 122.3
  },
  "luminance": 0.68131
}

Semantic roles & 50–950 ramp

primary

#C1E55B

secondary

#5638AC

accent

#11D544

background

#FEFEFC

surface

#FCFDF4

border

#D5D5CE

text

#15160D

muted

#84847F

Preview Lab

Preview with #C1E55B

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

Preview Lab → · Contrast checker → · Palette generator →