#EFFBC5#EFFBC5

#EFFBC5 is a very light, moderate yellow-green. Relative luminance 0.914; OKLCH L 96.6% C 0.071 H 117.9°. Best body text is #000000 at 19.28:1 contrast (WCAG AA passes).

Color values

HEX	#EFFBC5
RGB	rgb(239, 251, 197)
HSL	hsl(73, 87%, 88%)
HSV	hsv(73, 22%, 98%)
CMYK	cmyk(4.8%, 0%, 21.5%, 1.6%)
CIE-LAB	lab(96.56, -12.77, 24.62)
CIE-LCH	lch(96.56, 27.74, 117.42°)
OKLab	oklab(96.58% -0.0332 0.0627)
OKLCH	oklch(96.58% 0.071 117.9)
XYZ	xyz(80.1709, 91.3766, 66.2264)
Luminance	0.9138 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFBC5 #D1C5FB

analogous

#FBECC5 #EFFBC5 #D4FBC5

triadic

#EFFBC5 #C5EFFB #FBC5EF

tetradic

#EFFBC5 #C5FBEC #D1C5FB #FBC5D4

square

#EFFBC5 #C5FBEC #D1C5FB #FBC5D4

split-complementary

#EFFBC5 #C5D4FB #ECC5FB

monochromatic

#CFF352 #DFF78C #EFFBC5 #F7FDE2 #F7FDE2

Accessibility & contrast

On white

1.09

#EFFBC5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.28

#EFFBC5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFBC5

19.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFBC5	#FFFFFF	#000000	##000000
##EFFBC5	1.00	1.09	19.28	19.28
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.28	21.00	1.00	1.00
##000000	19.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF5C2

Deuteranopia (green-blind)

#FFF5C7

Tritanopia (blue-blind)

#F5F5EC

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #effbc5;
/* rgb */ color: rgb(239, 251, 197);
/* oklch */ color: oklch(96.6% 0.071 117.9);

Tailwind

colors: {
  custom: {
    50: '#f4fcd6',
    500: '#effbc5',
    950: '#000000',
  },
}

SCSS

$custom: #effbc5;
$custom-light: #f4fcd6;
$custom-dark: #000000;

JSON

{
  "hex": "#effbc5",
  "rgb": {
    "r": 239,
    "g": 251,
    "b": 197
  },
  "hsl": {
    "h": 73.333,
    "s": 87.097,
    "l": 87.843
  },
  "oklch": {
    "l": 0.96582,
    "c": 0.07098,
    "h": 117.9
  },
  "luminance": 0.91376
}

Semantic roles & 50–950 ramp

primary

#EFFBC5

secondary

#9883E1

accent

#02E434

background

#FFFFFE

surface

#FEFFFB

border

#D6D7D4

text

#171714

muted

#858583

Preview Lab

Preview with #EFFBC5

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

Preview Lab → · Contrast checker → · Palette generator →