#C1EC57#C1EC57

#C1EC57 is a very light, vivid yellow-green. Relative luminance 0.720; OKLCH L 88.4% C 0.180 H 123.8°. Best body text is #000000 at 15.40:1 contrast (WCAG AA passes).

Color values

HEX	#C1EC57
RGB	rgb(193, 236, 87)
HSL	hsl(77, 80%, 63%)
HSV	hsv(77, 63%, 93%)
CMYK	cmyk(18.2%, 0%, 63.1%, 7.5%)
CIE-LAB	lab(87.98, -34.80, 65.42)
CIE-LCH	lch(87.98, 74.10, 118.01°)
OKLab	oklab(88.44% -0.1001 0.1495)
OKLCH	oklch(88.44% 0.18 123.8)
XYZ	xyz(53.7085, 72.0161, 20.0860)
Luminance	0.7202 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C1EC57 #8257EC

analogous

#ECCC57 #C1EC57 #76EC57

triadic

#C1EC57 #57C1EC #EC57C1

tetradic

#C1EC57 #57ECCC #8257EC #EC5776

square

#C1EC57 #57ECCC #8257EC #EC5776

split-complementary

#C1EC57 #5776EC #CC57EC

monochromatic

#86B414 #ADE620 #C1EC57 #D5F28E #EAF8C5

Accessibility & contrast

On white

1.36

#C1EC57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.40

#C1EC57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C1EC57

15.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C1EC57	#FFFFFF	#000000	##000000
##C1EC57	1.00	1.36	15.40	15.40
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.40	21.00	1.00	1.00
##000000	15.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9DE44

Deuteranopia (green-blind)

#F3DC62

Tritanopia (blue-blind)

#CAE1CD

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #c1ec57;
/* rgb */ color: rgb(193, 236, 87);
/* oklch */ color: oklch(88.4% 0.180 123.8);

Tailwind

colors: {
  custom: {
    50: '#d7f28d',
    500: '#c1ec57',
    950: '#000000',
  },
}

SCSS

$custom: #c1ec57;
$custom-light: #d7f28d;
$custom-dark: #000000;

JSON

{
  "hex": "#c1ec57",
  "rgb": {
    "r": 193,
    "g": 236,
    "b": 87
  },
  "hsl": {
    "h": 77.315,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.88443,
    "c": 0.17991,
    "h": 123.8
  },
  "luminance": 0.72016
}

Semantic roles & 50–950 ramp

primary

#C1EC57

secondary

#5833B4

accent

#0ADC46

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C1EC57

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

Preview Lab → · Contrast checker → · Palette generator →