#C5F366#C5F366

#C5F366 is a very light, vivid yellow-green. Relative luminance 0.769; OKLCH L 90.4% C 0.175 H 125.0°. Best body text is #000000 at 16.39:1 contrast (WCAG AA passes).

Color values

HEX	#C5F366
RGB	rgb(197, 243, 102)
HSL	hsl(80, 85%, 68%)
HSV	hsv(80, 58%, 95%)
CMYK	cmyk(18.9%, 0%, 58%, 4.7%)
CIE-LAB	lab(90.29, -35.33, 61.80)
CIE-LCH	lch(90.29, 71.18, 119.76°)
OKLab	oklab(90.42% -0.1004 0.1435)
OKLCH	oklch(90.42% 0.175 125)
XYZ	xyz(57.4750, 76.9303, 24.3888)
Luminance	0.7693 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5F366 #9466F3

analogous

#F3DA66 #C5F366 #7FF366

triadic

#C5F366 #66C5F3 #F366C5

tetradic

#C5F366 #66F3DA #9466F3 #F3667F

square

#C5F366 #66F3DA #9466F3 #F3667F

split-complementary

#C5F366 #667FF3 #DA66F3

monochromatic

#90CE10 #AFEF2D #C5F366 #DBF79F #F0FCD7

Accessibility & contrast

On white

1.28

#C5F366 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.39

#C5F366 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5F366

16.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5F366	#FFFFFF	#000000	##000000
##C5F366	1.00	1.28	16.39	16.39
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.39	21.00	1.00	1.00
##000000	16.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE557

Deuteranopia (green-blind)

#F9E370

Tritanopia (blue-blind)

#CDE8D5

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #c5f366;
/* rgb */ color: rgb(197, 243, 102);
/* oklch */ color: oklch(90.4% 0.175 125.0);

Tailwind

colors: {
  custom: {
    50: '#d9f796',
    500: '#c5f366',
    950: '#000000',
  },
}

SCSS

$custom: #c5f366;
$custom-light: #d9f796;
$custom-dark: #000000;

JSON

{
  "hex": "#c5f366",
  "rgb": {
    "r": 197,
    "g": 243,
    "b": 102
  },
  "hsl": {
    "h": 79.574,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.90416,
    "c": 0.17516,
    "h": 125
  },
  "luminance": 0.76931
}

Semantic roles & 50–950 ramp

primary

#C5F366

secondary

#6433CA

accent

#04E24C

background

#FEFFFC

surface

#FCFEF5

border

#D5D6CF

text

#15170E

muted

#84857F

Preview Lab

Preview with #C5F366

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

Preview Lab → · Contrast checker → · Palette generator →