#CEF581#CEF581

#CEF581 is a very light, vivid yellow-green. Relative luminance 0.800; OKLCH L 91.8% C 0.150 H 124.6°. Best body text is #000000 at 17.00:1 contrast (WCAG AA passes).

Color values

HEX	#CEF581
RGB	rgb(206, 245, 129)
HSL	hsl(80, 85%, 73%)
HSV	hsv(80, 47%, 96%)
CMYK	cmyk(15.9%, 0%, 47.3%, 3.9%)
CIE-LAB	lab(91.69, -30.39, 51.41)
CIE-LCH	lch(91.69, 59.72, 120.59°)
OKLab	oklab(91.78% -0.0849 0.1232)
OKLCH	oklch(91.78% 0.15 124.6)
XYZ	xyz(62.0684, 80.0112, 32.9384)
Luminance	0.8001 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Yellowish Green

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEF581 #A881F5

analogous

#F5E281 #CEF581 #94F581

triadic

#CEF581 #81CEF5 #F581CE

tetradic

#CEF581 #81F5E2 #A881F5 #F58194

square

#CEF581 #81F5E2 #A881F5 #F58194

split-complementary

#CEF581 #8194F5 #E281F5

monochromatic

#A1E913 #B8F048 #CEF581 #E4F9BA #F4FDE3

Accessibility & contrast

On white

1.24

#CEF581 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.00

#CEF581 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEF581

17.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEF581	#FFFFFF	#000000	##000000
##CEF581	1.00	1.24	17.00	17.00
#FFFFFF	1.24	1.00	21.00	21.00
#000000	17.00	21.00	1.00	1.00
##000000	17.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE877

Deuteranopia (green-blind)

#FBE788

Tritanopia (blue-blind)

#D5EBDA

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #cef581;
/* rgb */ color: rgb(206, 245, 129);
/* oklch */ color: oklch(91.8% 0.150 124.6);

Tailwind

colors: {
  custom: {
    50: '#dff8a8',
    500: '#cef581',
    950: '#000000',
  },
}

SCSS

$custom: #cef581;
$custom-light: #dff8a8;
$custom-dark: #000000;

JSON

{
  "hex": "#cef581",
  "rgb": {
    "r": 206,
    "g": 245,
    "b": 129
  },
  "hsl": {
    "h": 80.172,
    "s": 85.294,
    "l": 73.333
  },
  "oklch": {
    "l": 0.91781,
    "c": 0.14958,
    "h": 124.6
  },
  "luminance": 0.80012
}

Semantic roles & 50–950 ramp

primary

#CEF581

secondary

#7749D1

accent

#04E24E

background

#FEFFFD

surface

#FCFFF7

border

#D5D7D0

text

#151710

muted

#848581

Preview Lab

Preview with #CEF581

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

Preview Lab → · Contrast checker → · Palette generator →