#CEF178#CEF178

#CEF178 is a very light, vivid yellow-green. Relative luminance 0.774; OKLCH L 90.8% C 0.153 H 122.8°. Best body text is #000000 at 16.48:1 contrast (WCAG AA passes).

Color values

HEX	#CEF178
RGB	rgb(206, 241, 120)
HSL	hsl(77, 81%, 71%)
HSV	hsv(77, 50%, 95%)
CMYK	cmyk(14.5%, 0%, 50.2%, 5.5%)
CIE-LAB	lab(90.50, -29.42, 54.17)
CIE-LCH	lch(90.50, 61.64, 118.51°)
OKLab	oklab(90.79% -0.0829 0.1286)
OKLCH	oklch(90.79% 0.153 122.8)
XYZ	xyz(60.2993, 77.3883, 29.5264)
Luminance	0.7739 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Yellowish Green

#C2FF89

ΔE00 5.14

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEF178 #9B78F1

analogous

#F1D778 #CEF178 #91F178

triadic

#CEF178 #78CEF1 #F178CE

tetradic

#CEF178 #78F1D7 #9B78F1 #F17891

square

#CEF178 #78F1D7 #9B78F1 #F17891

split-complementary

#CEF178 #7891F1 #D778F1

monochromatic

#A0D816 #BAEB41 #CEF178 #E2F7AF #F5FCE3

Accessibility & contrast

On white

1.27

#CEF178 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.48

#CEF178 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEF178

16.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEF178	#FFFFFF	#000000	##000000
##CEF178	1.00	1.27	16.48	16.48
#FFFFFF	1.27	1.00	21.00	21.00
#000000	16.48	21.00	1.00	1.00
##000000	16.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE56D

Deuteranopia (green-blind)

#F8E47F

Tritanopia (blue-blind)

#D6E7D5

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #cef178;
/* rgb */ color: rgb(206, 241, 120);
/* oklch */ color: oklch(90.8% 0.153 122.8);

Tailwind

colors: {
  custom: {
    50: '#dff5a2',
    500: '#cef178',
    950: '#000000',
  },
}

SCSS

$custom: #cef178;
$custom-light: #dff5a2;
$custom-dark: #000000;

JSON

{
  "hex": "#cef178",
  "rgb": {
    "r": 206,
    "g": 241,
    "b": 120
  },
  "hsl": {
    "h": 77.355,
    "s": 81.208,
    "l": 70.784
  },
  "oklch": {
    "l": 0.90791,
    "c": 0.15297,
    "h": 122.8
  },
  "luminance": 0.77388
}

Semantic roles & 50–950 ramp

primary

#CEF178

secondary

#6A42CB

accent

#08DE46

background

#FEFFFC

surface

#FCFEF5

border

#D5D6CF

text

#15170F

muted

#848580

Preview Lab

Preview with #CEF178

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

Preview Lab → · Contrast checker → · Palette generator →