#C1EC5B#C1EC5B

#C1EC5B is a very light, vivid yellow-green. Relative luminance 0.721; OKLCH L 88.5% C 0.177 H 124.0°. Best body text is #000000 at 15.42:1 contrast (WCAG AA passes).

Color values

HEX	#C1EC5B
RGB	rgb(193, 236, 91)
HSL	hsl(78, 79%, 64%)
HSV	hsv(78, 61%, 93%)
CMYK	cmyk(18.2%, 0%, 61.4%, 7.5%)
CIE-LAB	lab(88.01, -34.51, 63.83)
CIE-LCH	lch(88.01, 72.56, 118.40°)
OKLab	oklab(88.48% -0.0989 0.1466)
OKLCH	oklch(88.48% 0.177 124)
XYZ	xyz(53.8764, 72.0833, 20.9706)
Luminance	0.7208 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C1EC5B #865BEC

analogous

#ECCF5B #C1EC5B #79EC5B

triadic

#C1EC5B #5BC1EC #EC5BC1

tetradic

#C1EC5B #5BECCF #865BEC #EC5B79

square

#C1EC5B #5BECCF #865BEC #EC5B79

split-complementary

#C1EC5B #5B79EC #CF5BEC

monochromatic

#87B715 #ACE624 #C1EC5B #D6F292 #EAF9C9

Accessibility & contrast

On white

1.36

#C1EC5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.42

#C1EC5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C1EC5B

15.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C1EC5B	#FFFFFF	#000000	##000000
##C1EC5B	1.00	1.36	15.42	15.42
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.42	21.00	1.00	1.00
##000000	15.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F8DE4A

Deuteranopia (green-blind)

#F3DC65

Tritanopia (blue-blind)

#C9E1CE

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #c1ec5b;
/* rgb */ color: rgb(193, 236, 91);
/* oklch */ color: oklch(88.5% 0.177 124.0);

Tailwind

colors: {
  custom: {
    50: '#d7f28f',
    500: '#c1ec5b',
    950: '#000000',
  },
}

SCSS

$custom: #c1ec5b;
$custom-light: #d7f28f;
$custom-dark: #000000;

JSON

{
  "hex": "#c1ec5b",
  "rgb": {
    "r": 193,
    "g": 236,
    "b": 91
  },
  "hsl": {
    "h": 77.793,
    "s": 79.235,
    "l": 64.118
  },
  "oklch": {
    "l": 0.8848,
    "c": 0.17688,
    "h": 124
  },
  "luminance": 0.72084
}

Semantic roles & 50–950 ramp

primary

#C1EC5B

secondary

#5B34B7

accent

#0ADC48

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C1EC5B

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

Preview Lab → · Contrast checker → · Palette generator →