#CEF378#CEF378

#CEF378 is a very light, vivid yellow-green. Relative luminance 0.786; OKLCH L 91.2% C 0.156 H 123.3°. Best body text is #000000 at 16.72:1 contrast (WCAG AA passes).

Color values

HEX	#CEF378
RGB	rgb(206, 243, 120)
HSL	hsl(78, 84%, 71%)
HSV	hsv(78, 51%, 95%)
CMYK	cmyk(15.2%, 0%, 50.6%, 4.7%)
CIE-LAB	lab(91.04, -30.35, 54.81)
CIE-LCH	lch(91.04, 62.66, 118.98°)
OKLab	oklab(91.23% -0.0855 0.13)
OKLCH	oklch(91.23% 0.156 123.3)
XYZ	xyz(60.8945, 78.5788, 29.7248)
Luminance	0.7858 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Yellowish Green

#C2FF89

ΔE00 4.78

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEF378 #9D78F3

analogous

#F3DA78 #CEF378 #90F378

triadic

#CEF378 #78CEF3 #F378CE

tetradic

#CEF378 #78F3DA #9D78F3 #F37890

square

#CEF378 #78F3DA #9D78F3 #F37890

split-complementary

#CEF378 #7890F3 #DA78F3

monochromatic

#A0DD14 #BAEE40 #CEF378 #E2F8B0 #F5FDE3

Accessibility & contrast

On white

1.26

#CEF378 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.72

#CEF378 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEF378

16.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEF378	#FFFFFF	#000000	##000000
##CEF378	1.00	1.26	16.72	16.72
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.72	21.00	1.00	1.00
##000000	16.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE66D

Deuteranopia (green-blind)

#FAE57F

Tritanopia (blue-blind)

#D6E9D7

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #cef378;
/* rgb */ color: rgb(206, 243, 120);
/* oklch */ color: oklch(91.2% 0.156 123.3);

Tailwind

colors: {
  custom: {
    50: '#dff7a2',
    500: '#cef378',
    950: '#000000',
  },
}

SCSS

$custom: #cef378;
$custom-light: #dff7a2;
$custom-dark: #000000;

JSON

{
  "hex": "#cef378",
  "rgb": {
    "r": 206,
    "g": 243,
    "b": 120
  },
  "hsl": {
    "h": 78.049,
    "s": 83.673,
    "l": 71.176
  },
  "oklch": {
    "l": 0.91228,
    "c": 0.15559,
    "h": 123.3
  },
  "luminance": 0.78579
}

Semantic roles & 50–950 ramp

primary

#CEF378

secondary

#6C42CE

accent

#05E047

background

#FEFFFC

surface

#FCFEF5

border

#D5D6CF

text

#15170F

muted

#848580

Preview Lab

Preview with #CEF378

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

Preview Lab → · Contrast checker → · Palette generator →