#CEF278#CEF278

#CEF278 is a very light, vivid yellow-green. Relative luminance 0.780; OKLCH L 91.0% C 0.154 H 123.1°. Best body text is #000000 at 16.60:1 contrast (WCAG AA passes).

Color values

HEX	#CEF278
RGB	rgb(206, 242, 120)
HSL	hsl(78, 82%, 71%)
HSV	hsv(78, 50%, 95%)
CMYK	cmyk(14.9%, 0%, 50.4%, 5.1%)
CIE-LAB	lab(90.77, -29.89, 54.49)
CIE-LCH	lch(90.77, 62.15, 118.75°)
OKLab	oklab(91.01% -0.0842 0.1293)
OKLCH	oklch(91.01% 0.154 123.1)
XYZ	xyz(60.5961, 77.9819, 29.6253)
Luminance	0.7798 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Yellowish Green

#C2FF89

ΔE00 4.95

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEF278 #9C78F2

analogous

#F2D978 #CEF278 #91F278

triadic

#CEF278 #78CEF2 #F278CE

tetradic

#CEF278 #78F2D9 #9C78F2 #F27891

square

#CEF278 #78F2D9 #9C78F2 #F27891

split-complementary

#CEF278 #7891F2 #D978F2

monochromatic

#A0DB15 #BAED40 #CEF278 #E2F7B0 #F5FCE3

Accessibility & contrast

On white

1.27

#CEF278 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.60

#CEF278 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEF278

16.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEF278	#FFFFFF	#000000	##000000
##CEF278	1.00	1.27	16.60	16.60
#FFFFFF	1.27	1.00	21.00	21.00
#000000	16.60	21.00	1.00	1.00
##000000	16.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE66D

Deuteranopia (green-blind)

#F9E47F

Tritanopia (blue-blind)

#D6E8D6

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #cef278;
/* rgb */ color: rgb(206, 242, 120);
/* oklch */ color: oklch(91.0% 0.154 123.1);

Tailwind

colors: {
  custom: {
    50: '#dff6a2',
    500: '#cef278',
    950: '#000000',
  },
}

SCSS

$custom: #cef278;
$custom-light: #dff6a2;
$custom-dark: #000000;

JSON

{
  "hex": "#cef278",
  "rgb": {
    "r": 206,
    "g": 242,
    "b": 120
  },
  "hsl": {
    "h": 77.705,
    "s": 82.432,
    "l": 70.98
  },
  "oklch": {
    "l": 0.91009,
    "c": 0.15428,
    "h": 123.1
  },
  "luminance": 0.77982
}

Semantic roles & 50–950 ramp

primary

#CEF278

secondary

#6B42CC

accent

#07DF46

background

#FEFFFC

surface

#FCFEF5

border

#D5D6CF

text

#15170F

muted

#848580

Preview Lab

Preview with #CEF278

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

Preview Lab → · Contrast checker → · Palette generator →