#EFFEC9#EFFEC9

#EFFEC9 is a very light, moderate yellow-green. Relative luminance 0.935; OKLCH L 97.3% C 0.070 H 120.6°. Best body text is #000000 at 19.69:1 contrast (WCAG AA passes).

Color values

HEX	#EFFEC9
RGB	rgb(239, 254, 201)
HSL	hsl(77, 96%, 89%)
HSV	hsv(77, 21%, 100%)
CMYK	cmyk(5.9%, 0%, 20.9%, 0.4%)
CIE-LAB	lab(97.41, -13.67, 23.76)
CIE-LCH	lch(97.41, 27.41, 119.91°)
OKLab	oklab(97.28% -0.0358 0.0606)
OKLCH	oklch(97.28% 0.07 120.6)
XYZ	xyz(81.5799, 93.4515, 68.9872)
Luminance	0.9345 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFEC9 #D8C9FE

analogous

#FEF3C9 #EFFEC9 #D5FEC9

triadic

#EFFEC9 #C9EFFE #FEC9EF

tetradic

#EFFEC9 #C9FEF3 #D8C9FE #FEC9D5

square

#EFFEC9 #C9FEF3 #D8C9FE #FEC9D5

split-complementary

#EFFEC9 #C9D5FE #F3C9FE

monochromatic

#CBFC51 #DDFD8D #EFFEC9 #F6FEE1 #F6FEE1

Accessibility & contrast

On white

1.07

#EFFEC9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.69

#EFFEC9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFEC9

19.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFEC9	#FFFFFF	#000000	##000000
##EFFEC9	1.00	1.07	19.69	19.69
#FFFFFF	1.07	1.00	21.00	21.00
#000000	19.69	21.00	1.00	1.00
##000000	19.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF8C6

Deuteranopia (green-blind)

#FFF8CB

Tritanopia (blue-blind)

#F4F8EF

Achromatopsia (no color)

#F8F8F8

Design tokens & code

CSS

--color: #effec9;
/* rgb */ color: rgb(239, 254, 201);
/* oklch */ color: oklch(97.3% 0.070 120.6);

Tailwind

colors: {
  custom: {
    50: '#f4fed9',
    500: '#effec9',
    950: '#000000',
  },
}

SCSS

$custom: #effec9;
$custom-light: #f4fed9;
$custom-dark: #000000;

JSON

{
  "hex": "#effec9",
  "rgb": {
    "r": 239,
    "g": 254,
    "b": 201
  },
  "hsl": {
    "h": 76.981,
    "s": 96.364,
    "l": 89.216
  },
  "oklch": {
    "l": 0.97278,
    "c": 0.07041,
    "h": 120.6
  },
  "luminance": 0.93451
}

Semantic roles & 50–950 ramp

primary

#EFFEC9

secondary

#A084E7

accent

#00E641

background

#FFFFFE

surface

#FEFFFB

border

#D6D7D4

text

#171714

muted

#858583

Preview Lab

Preview with #EFFEC9

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

Preview Lab → · Contrast checker → · Palette generator →