#EFFFCC#EFFFCC

#EFFFCC is a very light, moderate yellow-green. Relative luminance 0.942; OKLCH L 97.5% C 0.068 H 121.8°. Best body text is #000000 at 19.85:1 contrast (WCAG AA passes).

Color values

HEX	#EFFFCC
RGB	rgb(239, 255, 204)
HSL	hsl(79, 100%, 90%)
HSV	hsv(79, 20%, 100%)
CMYK	cmyk(6.3%, 0%, 20%, 0%)
CIE-LAB	lab(97.72, -13.71, 22.67)
CIE-LCH	lch(97.72, 26.50, 121.17°)
OKLab	oklab(97.55% -0.036 0.058)
OKLCH	oklch(97.55% 0.068 121.8)
XYZ	xyz(82.2544, 94.2304, 70.9700)
Luminance	0.9423 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFFCC #DCCCFF

analogous

#FFF6CC #EFFFCC #D5FFCC

triadic

#EFFFCC #CCEFFF #FFCCEF

tetradic

#EFFFCC #CCFFF6 #DCCCFF #FFCCD5

square

#EFFFCC #CCFFF6 #DCCCFF #FFCCD5

split-complementary

#EFFFCC #CCD5FF #F6CCFF

monochromatic

#C9FF52 #DCFF8F #EFFFCC #F5FFE0 #F5FFE0

Accessibility & contrast

On white

1.06

#EFFFCC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.85

#EFFFCC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFFCC

19.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFFCC	#FFFFFF	#000000	##000000
##EFFFCC	1.00	1.06	19.85	19.85
#FFFFFF	1.06	1.00	21.00	21.00
#000000	19.85	21.00	1.00	1.00
##000000	19.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF9C9

Deuteranopia (green-blind)

#FFF8CE

Tritanopia (blue-blind)

#F3FAF1

Achromatopsia (no color)

#F8F8F8

Design tokens & code

CSS

--color: #efffcc;
/* rgb */ color: rgb(239, 255, 204);
/* oklch */ color: oklch(97.5% 0.068 121.8);

Tailwind

colors: {
  custom: {
    50: '#f4ffdb',
    500: '#efffcc',
    950: '#000000',
  },
}

SCSS

$custom: #efffcc;
$custom-light: #f4ffdb;
$custom-dark: #000000;

JSON

{
  "hex": "#efffcc",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 204
  },
  "hsl": {
    "h": 78.824,
    "s": 100,
    "l": 90
  },
  "oklch": {
    "l": 0.97546,
    "c": 0.06821,
    "h": 121.8
  },
  "luminance": 0.9423
}

Semantic roles & 50–950 ramp

primary

#EFFFCC

secondary

#A586EA

accent

#00E648

background

#FFFFFE

surface

#FEFFFC

border

#D6D7D5

text

#171815

muted

#858684

Preview Lab

Preview with #EFFFCC

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

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