#CEF578#CEF578

#CEF578 is a very light, vivid yellow-green. Relative luminance 0.798; OKLCH L 91.7% C 0.158 H 123.8°. Best body text is #000000 at 16.96:1 contrast (WCAG AA passes).

Color values

HEX	#CEF578
RGB	rgb(206, 245, 120)
HSL	hsl(79, 86%, 72%)
HSV	hsv(79, 51%, 96%)
CMYK	cmyk(15.9%, 0%, 51%, 3.9%)
CIE-LAB	lab(91.59, -31.28, 55.46)
CIE-LCH	lch(91.59, 63.68, 119.43°)
OKLab	oklab(91.67% -0.0881 0.1314)
OKLCH	oklch(91.67% 0.158 123.8)
XYZ	xyz(61.4963, 79.7824, 29.9254)
Luminance	0.7978 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Yellowish Green

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEF578 #9F78F5

analogous

#F5DE78 #CEF578 #90F578

triadic

#CEF578 #78CEF5 #F578CE

tetradic

#CEF578 #78F5DE #9F78F5 #F57890

square

#CEF578 #78F5DE #9F78F5 #F57890

split-complementary

#CEF578 #7890F5 #DE78F5

monochromatic

#A1E211 #B9F13F #CEF578 #E3F9B1 #F5FDE3

Accessibility & contrast

On white

1.24

#CEF578 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.96

#CEF578 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEF578

16.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEF578	#FFFFFF	#000000	##000000
##CEF578	1.00	1.24	16.96	16.96
#FFFFFF	1.24	1.00	21.00	21.00
#000000	16.96	21.00	1.00	1.00
##000000	16.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE86C

Deuteranopia (green-blind)

#FCE77F

Tritanopia (blue-blind)

#D6EBD9

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #cef578;
/* rgb */ color: rgb(206, 245, 120);
/* oklch */ color: oklch(91.7% 0.158 123.8);

Tailwind

colors: {
  custom: {
    50: '#dff8a2',
    500: '#cef578',
    950: '#000000',
  },
}

SCSS

$custom: #cef578;
$custom-light: #dff8a2;
$custom-dark: #000000;

JSON

{
  "hex": "#cef578",
  "rgb": {
    "r": 206,
    "g": 245,
    "b": 120
  },
  "hsl": {
    "h": 78.72,
    "s": 86.207,
    "l": 71.569
  },
  "oklch": {
    "l": 0.91665,
    "c": 0.1582,
    "h": 123.8
  },
  "luminance": 0.79783
}

Semantic roles & 50–950 ramp

primary

#CEF578

secondary

#6E41D0

accent

#03E349

background

#FEFFFC

surface

#FCFFF6

border

#D5D7D0

text

#15170F

muted

#848580

Preview Lab

Preview with #CEF578

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

Preview Lab → · Contrast checker → · Palette generator →