#C1E557#C1E557

#C1E557 is a very light, vivid yellow-green. Relative luminance 0.681; OKLCH L 86.9% C 0.171 H 122.1°. Best body text is #000000 at 14.61:1 contrast (WCAG AA passes).

Color values

HEX	#C1E557
RGB	rgb(193, 229, 87)
HSL	hsl(75, 73%, 62%)
HSV	hsv(75, 62%, 90%)
CMYK	cmyk(15.7%, 0%, 62%, 10.2%)
CIE-LAB	lab(86.04, -31.58, 63.33)
CIE-LCH	lch(86.04, 70.77, 116.51°)
OKLab	oklab(86.88% -0.0911 0.1451)
OKLCH	oklch(86.88% 0.171 122.1)
XYZ	xyz(51.7325, 68.0641, 19.4273)
Luminance	0.6806 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C1E557 #7B57E5

analogous

#E5C257 #C1E557 #7AE557

triadic

#C1E557 #57C1E5 #E557C1

tetradic

#C1E557 #57E5C2 #7B57E5 #E5577A

square

#C1E557 #57E5C2 #7B57E5 #E5577A

split-complementary

#C1E557 #577AE5 #C257E5

monochromatic

#84A81A #ADDD22 #C1E557 #D5ED8C #E8F5C1

Accessibility & contrast

On white

1.44

#C1E557 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.61

#C1E557 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C1E557

14.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C1E557	#FFFFFF	#000000	##000000
##C1E557	1.00	1.44	14.61	14.61
#FFFFFF	1.44	1.00	21.00	21.00
#000000	14.61	21.00	1.00	1.00
##000000	14.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2D846

Deuteranopia (green-blind)

#EDD761

Tritanopia (blue-blind)

#CADAC7

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #c1e557;
/* rgb */ color: rgb(193, 229, 87);
/* oklch */ color: oklch(86.9% 0.171 122.1);

Tailwind

colors: {
  custom: {
    50: '#d7ed8c',
    500: '#c1e557',
    950: '#000000',
  },
}

SCSS

$custom: #c1e557;
$custom-light: #d7ed8c;
$custom-dark: #000000;

JSON

{
  "hex": "#c1e557",
  "rgb": {
    "r": 193,
    "g": 229,
    "b": 87
  },
  "hsl": {
    "h": 75.211,
    "s": 73.196,
    "l": 61.961
  },
  "oklch": {
    "l": 0.8688,
    "c": 0.17136,
    "h": 122.1
  },
  "luminance": 0.68064
}

Semantic roles & 50–950 ramp

primary

#C1E557

secondary

#5437AA

accent

#10D542

background

#FEFEFC

surface

#FCFDF4

border

#D5D5CE

text

#15160C

muted

#84847F

Preview Lab

Preview with #C1E557

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

Preview Lab → · Contrast checker → · Palette generator →