#EFFDC9#EFFDC9

#EFFDC9 is a very light, moderate yellow-green. Relative luminance 0.928; OKLCH L 97.1% C 0.069 H 119.9°. Best body text is #000000 at 19.56:1 contrast (WCAG AA passes).

Color values

HEX	#EFFDC9
RGB	rgb(239, 253, 201)
HSL	hsl(76, 93%, 89%)
HSV	hsv(76, 21%, 99%)
CMYK	cmyk(5.5%, 0%, 20.6%, 0.8%)
CIE-LAB	lab(97.15, -13.17, 23.40)
CIE-LCH	lch(97.15, 26.86, 119.38°)
OKLab	oklab(97.07% -0.0344 0.0598)
OKLCH	oklch(97.07% 0.069 119.9)
XYZ	xyz(81.2634, 92.8185, 68.8817)
Luminance	0.9282 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFDC9 #D7C9FD

analogous

#FDF1C9 #EFFDC9 #D5FDC9

triadic

#EFFDC9 #C9EFFD #FDC9EF

tetradic

#EFFDC9 #C9FDF1 #D7C9FD #FDC9D5

square

#EFFDC9 #C9FDF1 #D7C9FD #FDC9D5

split-complementary

#EFFDC9 #C9D5FD #F1C9FD

monochromatic

#CCF953 #DEFB8E #EFFDC9 #F6FEE1 #F6FEE1

Accessibility & contrast

On white

1.07

#EFFDC9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.56

#EFFDC9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFDC9

19.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFDC9	#FFFFFF	#000000	##000000
##EFFDC9	1.00	1.07	19.56	19.56
#FFFFFF	1.07	1.00	21.00	21.00
#000000	19.56	21.00	1.00	1.00
##000000	19.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF7C6

Deuteranopia (green-blind)

#FFF7CB

Tritanopia (blue-blind)

#F4F7EF

Achromatopsia (no color)

#F7F7F7

Design tokens & code

CSS

--color: #effdc9;
/* rgb */ color: rgb(239, 253, 201);
/* oklch */ color: oklch(97.1% 0.069 119.9);

Tailwind

colors: {
  custom: {
    50: '#f4fed9',
    500: '#effdc9',
    950: '#000000',
  },
}

SCSS

$custom: #effdc9;
$custom-light: #f4fed9;
$custom-dark: #000000;

JSON

{
  "hex": "#effdc9",
  "rgb": {
    "r": 239,
    "g": 253,
    "b": 201
  },
  "hsl": {
    "h": 76.154,
    "s": 92.857,
    "l": 89.02
  },
  "oklch": {
    "l": 0.97074,
    "c": 0.06895,
    "h": 119.9
  },
  "luminance": 0.92818
}

Semantic roles & 50–950 ramp

primary

#EFFDC9

secondary

#9F85E5

accent

#00E63E

background

#FFFFFE

surface

#FEFFFB

border

#D6D7D4

text

#171714

muted

#858583

Preview Lab

Preview with #EFFDC9

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

Preview Lab → · Contrast checker → · Palette generator →