#CEF181#CEF181

#CEF181 is a very light, vivid yellow-green. Relative luminance 0.776; OKLCH L 90.9% C 0.144 H 123.5°. Best body text is #000000 at 16.52:1 contrast (WCAG AA passes).

Color values

HEX	#CEF181
RGB	rgb(206, 241, 129)
HSL	hsl(79, 80%, 73%)
HSV	hsv(79, 46%, 95%)
CMYK	cmyk(14.5%, 0%, 46.5%, 5.5%)
CIE-LAB	lab(90.60, -28.52, 50.09)
CIE-LCH	lch(90.60, 57.64, 119.66°)
OKLab	oklab(90.91% -0.0796 0.1202)
OKLCH	oklch(90.91% 0.144 123.5)
XYZ	xyz(60.8714, 77.6171, 32.5394)
Luminance	0.7762 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Yellowish Green

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEF181 #A481F1

analogous

#F1DC81 #CEF181 #96F181

triadic

#CEF181 #81CEF1 #F181CE

tetradic

#CEF181 #81F1DC #A481F1 #F18196

square

#CEF181 #81F1DC #A481F1 #F18196

split-complementary

#CEF181 #8196F1 #DC81F1

monochromatic

#A1DF19 #B9EB4A #CEF181 #E3F7B8 #F4FCE3

Accessibility & contrast

On white

1.27

#CEF181 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.52

#CEF181 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEF181

16.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEF181	#FFFFFF	#000000	##000000
##CEF181	1.00	1.27	16.52	16.52
#FFFFFF	1.27	1.00	21.00	21.00
#000000	16.52	21.00	1.00	1.00
##000000	16.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE578

Deuteranopia (green-blind)

#F7E487

Tritanopia (blue-blind)

#D5E7D7

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #cef181;
/* rgb */ color: rgb(206, 241, 129);
/* oklch */ color: oklch(90.9% 0.144 123.5);

Tailwind

colors: {
  custom: {
    50: '#dff5a8',
    500: '#cef181',
    950: '#000000',
  },
}

SCSS

$custom: #cef181;
$custom-light: #dff5a8;
$custom-dark: #000000;

JSON

{
  "hex": "#cef181",
  "rgb": {
    "r": 206,
    "g": 241,
    "b": 129
  },
  "hsl": {
    "h": 78.75,
    "s": 80,
    "l": 72.549
  },
  "oklch": {
    "l": 0.90909,
    "c": 0.1442,
    "h": 123.5
  },
  "luminance": 0.77617
}

Semantic roles & 50–950 ramp

primary

#CEF181

secondary

#734ACC

accent

#09DC4B

background

#FEFFFC

surface

#FCFEF6

border

#D5D6D0

text

#151710

muted

#848580

Preview Lab

Preview with #CEF181

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

Preview Lab → · Contrast checker → · Palette generator →