#C5EC55#C5EC55

#C5EC55 is a very light, vivid yellow-green. Relative luminance 0.725; OKLCH L 88.7% C 0.180 H 122.5°. Best body text is #000000 at 15.50:1 contrast (WCAG AA passes).

Color values

HEX	#C5EC55
RGB	rgb(197, 236, 85)
HSL	hsl(75, 80%, 63%)
HSV	hsv(75, 64%, 93%)
CMYK	cmyk(16.5%, 0%, 64%, 7.5%)
CIE-LAB	lab(88.22, -33.41, 66.55)
CIE-LCH	lch(88.22, 74.46, 116.66°)
OKLab	oklab(88.7% -0.0966 0.1516)
OKLCH	oklch(88.7% 0.18 122.5)
XYZ	xyz(54.6617, 72.5169, 19.7100)
Luminance	0.7252 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5EC55 #7C55EC

analogous

#ECC855 #C5EC55 #79EC55

triadic

#C5EC55 #55C5EC #EC55C5

tetradic

#C5EC55 #55ECC8 #7C55EC #EC5579

square

#C5EC55 #55ECC8 #7C55EC #EC5579

split-complementary

#C5EC55 #5579EC #C855EC

monochromatic

#8AB314 #B2E61E #C5EC55 #D8F28C #EBF8C3

Accessibility & contrast

On white

1.35

#C5EC55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.50

#C5EC55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5EC55

15.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5EC55	#FFFFFF	#000000	##000000
##C5EC55	1.00	1.35	15.50	15.50
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.50	21.00	1.00	1.00
##000000	15.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9DE41

Deuteranopia (green-blind)

#F4DD60

Tritanopia (blue-blind)

#CEE1CD

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #c5ec55;
/* rgb */ color: rgb(197, 236, 85);
/* oklch */ color: oklch(88.7% 0.180 122.5);

Tailwind

colors: {
  custom: {
    50: '#daf28c',
    500: '#c5ec55',
    950: '#000000',
  },
}

SCSS

$custom: #c5ec55;
$custom-light: #daf28c;
$custom-dark: #000000;

JSON

{
  "hex": "#c5ec55",
  "rgb": {
    "r": 197,
    "g": 236,
    "b": 85
  },
  "hsl": {
    "h": 75.497,
    "s": 79.894,
    "l": 62.941
  },
  "oklch": {
    "l": 0.88698,
    "c": 0.17974,
    "h": 122.5
  },
  "luminance": 0.72517
}

Semantic roles & 50–950 ramp

primary

#C5EC55

secondary

#5433B3

accent

#09DC40

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15160C

muted

#84857F

Preview Lab

Preview with #C5EC55

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

Preview Lab → · Contrast checker → · Palette generator →