#CDF559#CDF559

#CDF559 is a very light, vivid yellow-green. Relative luminance 0.790; OKLCH L 91.3% C 0.184 H 122.4°. Best body text is #000000 at 16.80:1 contrast (WCAG AA passes).

Color values

HEX	#CDF559
RGB	rgb(205, 245, 89)
HSL	hsl(75, 89%, 65%)
HSV	hsv(75, 64%, 96%)
CMYK	cmyk(16.3%, 0%, 63.7%, 3.9%)
CIE-LAB	lab(91.24, -34.18, 68.32)
CIE-LCH	lch(91.24, 76.40, 116.58°)
OKLab	oklab(91.27% -0.0989 0.1557)
OKLCH	oklch(91.27% 0.184 122.4)
XYZ	xyz(59.6331, 79.0051, 21.5571)
Luminance	0.7901 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CDF559 #8159F5

analogous

#F5CF59 #CDF559 #7FF559

triadic

#CDF559 #59CDF5 #F559CD

tetradic

#CDF559 #59F5CF #8159F5 #F5597F

square

#CDF559 #59F5CF #8159F5 #F5597F

split-complementary

#CDF559 #597FF5 #CF59F5

monochromatic

#97C80C #BCF21F #CDF559 #DEF893 #F0FCCC

Accessibility & contrast

On white

1.25

#CDF559 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.80

#CDF559 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CDF559

16.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CDF559	#FFFFFF	#000000	##000000
##CDF559	1.00	1.25	16.80	16.80
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.80	21.00	1.00	1.00
##000000	16.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE745

Deuteranopia (green-blind)

#FEE664

Tritanopia (blue-blind)

#D7E9D5

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #cdf559;
/* rgb */ color: rgb(205, 245, 89);
/* oklch */ color: oklch(91.3% 0.184 122.4);

Tailwind

colors: {
  custom: {
    50: '#dff88f',
    500: '#cdf559',
    950: '#000000',
  },
}

SCSS

$custom: #cdf559;
$custom-light: #dff88f;
$custom-dark: #000000;

JSON

{
  "hex": "#cdf559",
  "rgb": {
    "r": 205,
    "g": 245,
    "b": 89
  },
  "hsl": {
    "h": 75.385,
    "s": 88.636,
    "l": 65.49
  },
  "oklch": {
    "l": 0.91274,
    "c": 0.18442,
    "h": 122.4
  },
  "luminance": 0.79005
}

Semantic roles & 50–950 ramp

primary

#CDF559

secondary

#542EC4

accent

#00E53B

background

#FEFFFC

surface

#FCFFF4

border

#D5D7CE

text

#16170D

muted

#84857F

Preview Lab

Preview with #CDF559

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

Preview Lab → · Contrast checker → · Palette generator →