#CDF251#CDF251

#CDF251 is a very light, vivid yellow-green. Relative luminance 0.771; OKLCH L 90.5% C 0.186 H 121.4°. Best body text is #000000 at 16.42:1 contrast (WCAG AA passes).

Color values

HEX	#CDF251
RGB	rgb(205, 242, 81)
HSL	hsl(74, 86%, 63%)
HSV	hsv(74, 67%, 95%)
CMYK	cmyk(15.3%, 0%, 66.5%, 5.1%)
CIE-LAB	lab(90.36, -33.33, 70.48)
CIE-LCH	lch(90.36, 77.96, 115.31°)
OKLab	oklab(90.55% -0.0972 0.1591)
OKLCH	oklch(90.55% 0.186 121.4)
XYZ	xyz(58.4150, 77.0775, 19.5830)
Luminance	0.7708 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CDF251 #7651F2

analogous

#F2C651 #CDF251 #7CF251

triadic

#CDF251 #51CDF2 #F251CD

tetradic

#CDF251 #51F2C6 #7651F2 #F2517C

square

#CDF251 #51F2C6 #7651F2 #F2517C

split-complementary

#CDF251 #517CF2 #C651F2

monochromatic

#93BB0E #BDEE18 #CDF251 #DDF68A #EEFBC3

Accessibility & contrast

On white

1.28

#CDF251 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.42

#CDF251 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CDF251

16.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CDF251	#FFFFFF	#000000	##000000
##CDF251	1.00	1.28	16.42	16.42
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.42	21.00	1.00	1.00
##000000	16.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE439

Deuteranopia (green-blind)

#FCE45D

Tritanopia (blue-blind)

#D8E6D2

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #cdf251;
/* rgb */ color: rgb(205, 242, 81);
/* oklch */ color: oklch(90.5% 0.186 121.4);

Tailwind

colors: {
  custom: {
    50: '#e0f68a',
    500: '#cdf251',
    950: '#000000',
  },
}

SCSS

$custom: #cdf251;
$custom-light: #e0f68a;
$custom-dark: #000000;

JSON

{
  "hex": "#cdf251",
  "rgb": {
    "r": 205,
    "g": 242,
    "b": 81
  },
  "hsl": {
    "h": 73.789,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.90547,
    "c": 0.18646,
    "h": 121.4
  },
  "luminance": 0.77077
}

Semantic roles & 50–950 ramp

primary

#CDF251

secondary

#4E2EB9

accent

#03E336

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#16170C

muted

#84857F

Preview Lab

Preview with #CDF251

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

Preview Lab → · Contrast checker → · Palette generator →