#CDF257#CDF257

#CDF257 is a very light, vivid yellow-green. Relative luminance 0.772; OKLCH L 90.6% C 0.182 H 121.6°. Best body text is #000000 at 16.43:1 contrast (WCAG AA passes).

Color values

HEX	#CDF257
RGB	rgb(205, 242, 87)
HSL	hsl(74, 86%, 65%)
HSV	hsv(74, 64%, 95%)
CMYK	cmyk(15.3%, 0%, 64%, 5.1%)
CIE-LAB	lab(90.40, -32.95, 68.23)
CIE-LCH	lch(90.40, 75.76, 115.78°)
OKLab	oklab(90.6% -0.0956 0.1552)
OKLCH	oklch(90.6% 0.182 121.6)
XYZ	xyz(58.6500, 77.1715, 20.8208)
Luminance	0.7717 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CDF257 #7C57F2

analogous

#F2CA57 #CDF257 #7FF257

triadic

#CDF257 #57CDF2 #F257CD

tetradic

#CDF257 #57F2CA #7C57F2 #F2577F

square

#CDF257 #57F2CA #7C57F2 #F2577F

split-complementary

#CDF257 #577FF2 #CA57F2

monochromatic

#96C00F #BCEE1E #CDF257 #DEF690 #EFFBC9

Accessibility & contrast

On white

1.28

#CDF257 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.43

#CDF257 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CDF257

16.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CDF257	#FFFFFF	#000000	##000000
##CDF257	1.00	1.28	16.43	16.43
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.43	21.00	1.00	1.00
##000000	16.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE442

Deuteranopia (green-blind)

#FBE462

Tritanopia (blue-blind)

#D7E6D2

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #cdf257;
/* rgb */ color: rgb(205, 242, 87);
/* oklch */ color: oklch(90.6% 0.182 121.6);

Tailwind

colors: {
  custom: {
    50: '#dff68d',
    500: '#cdf257',
    950: '#000000',
  },
}

SCSS

$custom: #cdf257;
$custom-light: #dff68d;
$custom-dark: #000000;

JSON

{
  "hex": "#cdf257",
  "rgb": {
    "r": 205,
    "g": 242,
    "b": 87
  },
  "hsl": {
    "h": 74.323,
    "s": 85.635,
    "l": 64.51
  },
  "oklch": {
    "l": 0.90595,
    "c": 0.18229,
    "h": 121.6
  },
  "luminance": 0.77172
}

Semantic roles & 50–950 ramp

primary

#CDF257

secondary

#5130BE

accent

#03E239

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#16170D

muted

#84857F

Preview Lab

Preview with #CDF257

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

Preview Lab → · Contrast checker → · Palette generator →