#CDF178#CDF178

#CDF178 is a very light, vivid yellow-green. Relative luminance 0.772; OKLCH L 90.7% C 0.153 H 123.2°. Best body text is #000000 at 16.45:1 contrast (WCAG AA passes).

Color values

HEX	#CDF178
RGB	rgb(205, 241, 120)
HSL	hsl(78, 81%, 71%)
HSV	hsv(78, 50%, 95%)
CMYK	cmyk(14.9%, 0%, 50.2%, 5.5%)
CIE-LAB	lab(90.43, -29.80, 54.07)
CIE-LCH	lch(90.43, 61.74, 118.86°)
OKLab	oklab(90.72% -0.0839 0.1284)
OKLCH	oklch(90.72% 0.153 123.2)
XYZ	xyz(60.0225, 77.2456, 29.5134)
Luminance	0.7725 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Yellowish Green

#C2FF89

ΔE00 4.98

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CDF178 #9C78F1

analogous

#F1D878 #CDF178 #90F178

triadic

#CDF178 #78CDF1 #F178CD

tetradic

#CDF178 #78F1D8 #9C78F1 #F17890

square

#CDF178 #78F1D8 #9C78F1 #F17890

split-complementary

#CDF178 #7890F1 #D878F1

monochromatic

#9FD816 #B8EB41 #CDF178 #E2F7AF #F5FCE3

Accessibility & contrast

On white

1.28

#CDF178 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.45

#CDF178 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CDF178

16.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CDF178	#FFFFFF	#000000	##000000
##CDF178	1.00	1.28	16.45	16.45
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.45	21.00	1.00	1.00
##000000	16.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE56D

Deuteranopia (green-blind)

#F8E37F

Tritanopia (blue-blind)

#D5E7D5

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #cdf178;
/* rgb */ color: rgb(205, 241, 120);
/* oklch */ color: oklch(90.7% 0.153 123.2);

Tailwind

colors: {
  custom: {
    50: '#def5a2',
    500: '#cdf178',
    950: '#000000',
  },
}

SCSS

$custom: #cdf178;
$custom-light: #def5a2;
$custom-dark: #000000;

JSON

{
  "hex": "#cdf178",
  "rgb": {
    "r": 205,
    "g": 241,
    "b": 120
  },
  "hsl": {
    "h": 77.851,
    "s": 81.208,
    "l": 70.784
  },
  "oklch": {
    "l": 0.90722,
    "c": 0.15336,
    "h": 123.2
  },
  "luminance": 0.77246
}

Semantic roles & 50–950 ramp

primary

#CDF178

secondary

#6B42CB

accent

#08DE47

background

#FEFFFC

surface

#FCFEF5

border

#D5D6CF

text

#15170F

muted

#848580

Preview Lab

Preview with #CDF178

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

Preview Lab → · Contrast checker → · Palette generator →