#CDE040#CDE040

#CDE040 is a very light, vivid yellow. Relative luminance 0.667; OKLCH L 86.5% C 0.177 H 116.2°. Best body text is #000000 at 14.33:1 contrast (WCAG AA passes).

Color values

HEX	#CDE040
RGB	rgb(205, 224, 64)
HSL	hsl(67, 72%, 56%)
HSV	hsv(67, 71%, 88%)
CMYK	cmyk(8.5%, 0%, 71.4%, 12.2%)
CIE-LAB	lab(85.33, -25.86, 71.56)
CIE-LCH	lch(85.33, 76.09, 109.87°)
OKLab	oklab(86.47% -0.078 0.1588)
OKLCH	oklch(86.47% 0.177 116.2)
XYZ	xyz(52.7592, 66.6614, 14.9371)
Luminance	0.6666 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CDE040 #5340E0

analogous

#E0A340 #CDE040 #7DE040

triadic

#CDE040 #40CDE0 #E040CD

tetradic

#CDE040 #40E0A3 #5340E0 #E0407D

square

#CDE040 #40E0A3 #5340E0 #E0407D

split-complementary

#CDE040 #407DE0 #A340E0

monochromatic

#808E17 #B0C320 #CDE040 #DBE975 #E9F1A9

Accessibility & contrast

On white

1.47

#CDE040 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.33

#CDE040 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CDE040

14.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CDE040	#FFFFFF	#000000	##000000
##CDE040	1.00	1.47	14.33	14.33
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.33	21.00	1.00	1.00
##000000	14.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD422

Deuteranopia (green-blind)

#EED64D

Tritanopia (blue-blind)

#DAD3C1

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #cde040;
/* rgb */ color: rgb(205, 224, 64);
/* oklch */ color: oklch(86.5% 0.177 116.2);

Tailwind

colors: {
  custom: {
    50: '#e0e97f',
    500: '#cde040',
    950: '#000000',
  },
}

SCSS

$custom: #cde040;
$custom-light: #e0e97f;
$custom-dark: #000000;

JSON

{
  "hex": "#cde040",
  "rgb": {
    "r": 205,
    "g": 224,
    "b": 64
  },
  "hsl": {
    "h": 67.125,
    "s": 72.072,
    "l": 56.471
  },
  "oklch": {
    "l": 0.8647,
    "c": 0.17692,
    "h": 116.2
  },
  "luminance": 0.66661
}

Semantic roles & 50–950 ramp

primary

#CDE040

secondary

#3C3194

accent

#39EF4F

background

#FEFEFB

surface

#FCFCF2

border

#D5D5CC

text

#16160B

muted

#84847E

Preview Lab

Preview with #CDE040

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

Preview Lab → · Contrast checker → · Palette generator →