#EFFCC9#EFFCC9

#EFFCC9 is a very light, moderate yellow-green. Relative luminance 0.922; OKLCH L 96.9% C 0.068 H 119.3°. Best body text is #000000 at 19.44:1 contrast (WCAG AA passes).

Color values

HEX	#EFFCC9
RGB	rgb(239, 252, 201)
HSL	hsl(75, 89%, 89%)
HSV	hsv(75, 20%, 99%)
CMYK	cmyk(5.2%, 0%, 20.2%, 1.2%)
CIE-LAB	lab(96.90, -12.68, 23.05)
CIE-LCH	lch(96.90, 26.31, 118.82°)
OKLab	oklab(96.87% -0.033 0.0589)
OKLCH	oklch(96.87% 0.068 119.3)
XYZ	xyz(80.9485, 92.1888, 68.7767)
Luminance	0.9219 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFCC9 #D6C9FC

analogous

#FCF0C9 #EFFCC9 #D6FCC9

triadic

#EFFCC9 #C9EFFC #FCC9EF

tetradic

#EFFCC9 #C9FCF0 #D6C9FC #FCC9D6

square

#EFFCC9 #C9FCF0 #D6C9FC #FCC9D6

split-complementary

#EFFCC9 #C9D6FC #F0C9FC

monochromatic

#CDF655 #DEF98F #EFFCC9 #F6FDE2 #F6FDE2

Accessibility & contrast

On white

1.08

#EFFCC9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.44

#EFFCC9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFCC9

19.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFCC9	#FFFFFF	#000000	##000000
##EFFCC9	1.00	1.08	19.44	19.44
#FFFFFF	1.08	1.00	21.00	21.00
#000000	19.44	21.00	1.00	1.00
##000000	19.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF6C6

Deuteranopia (green-blind)

#FFF6CB

Tritanopia (blue-blind)

#F4F6EE

Achromatopsia (no color)

#F6F6F6

Design tokens & code

CSS

--color: #effcc9;
/* rgb */ color: rgb(239, 252, 201);
/* oklch */ color: oklch(96.9% 0.068 119.3);

Tailwind

colors: {
  custom: {
    50: '#f4fdd9',
    500: '#effcc9',
    950: '#000000',
  },
}

SCSS

$custom: #effcc9;
$custom-light: #f4fdd9;
$custom-dark: #000000;

JSON

{
  "hex": "#effcc9",
  "rgb": {
    "r": 239,
    "g": 252,
    "b": 201
  },
  "hsl": {
    "h": 75.294,
    "s": 89.474,
    "l": 88.824
  },
  "oklch": {
    "l": 0.96871,
    "c": 0.06751,
    "h": 119.3
  },
  "luminance": 0.92189
}

Semantic roles & 50–950 ramp

primary

#EFFCC9

secondary

#9E86E3

accent

#00E63A

background

#FFFFFE

surface

#FEFFFB

border

#D6D7D4

text

#171714

muted

#858583

Preview Lab

Preview with #EFFCC9

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

Preview Lab → · Contrast checker → · Palette generator →