#EFFCF9#EFFCF9

#EFFCF9 is a very light, near-neutral teal. Relative luminance 0.948; OKLCH L 98.1% C 0.014 H 180.7°. Best body text is #000000 at 19.96:1 contrast (WCAG AA passes).

Color values

HEX	#EFFCF9
RGB	rgb(239, 252, 249)
HSL	hsl(166, 68%, 96%)
HSV	hsv(166, 5%, 99%)
CMYK	cmyk(5.2%, 0%, 1.2%, 1.2%)
CIE-LAB	lab(97.96, -4.79, -0.04)
CIE-LCH	lch(97.96, 4.79, 180.47°)
OKLab	oklab(98.06% -0.0142 -0.0002)
OKLCH	oklch(98.06% 0.014 180.7)
XYZ	xyz(87.5025, 94.8104, 103.2944)
Luminance	0.9481 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFCF9 #FCEFF2

analogous

#EFFCF3 #EFFCF9 #EFF9FC

triadic

#EFFCF9 #F9EFFC #FCF9EF

tetradic

#EFFCF9 #F3EFFC #FCEFF2 #F9FCEF

square

#EFFCF9 #F3EFFC #FCEFF2 #F9FCEF

split-complementary

#EFFCF9 #FCEFF9 #FCF3EF

monochromatic

#88E9D2 #BBF2E6 #E5FAF5 #E5FAF5 #E5FAF5

Accessibility & contrast

On white

1.05

#EFFCF9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.96

#EFFCF9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFCF9

19.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFCF9	#FFFFFF	#000000	##000000
##EFFCF9	1.00	1.05	19.96	19.96
#FFFFFF	1.05	1.00	21.00	21.00
#000000	19.96	21.00	1.00	1.00
##000000	19.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBFAF9

Deuteranopia (green-blind)

#F8F8F9

Tritanopia (blue-blind)

#ECFDFB

Achromatopsia (no color)

#F9F9F9

Design tokens & code

CSS

--color: #effcf9;
/* rgb */ color: rgb(239, 252, 249);
/* oklch */ color: oklch(98.1% 0.014 180.7);

Tailwind

colors: {
  custom: {
    50: '#f4fdfb',
    500: '#effcf9',
    950: '#000000',
  },
}

SCSS

$custom: #effcf9;
$custom-light: #f4fdfb;
$custom-dark: #000000;

JSON

{
  "hex": "#effcf9",
  "rgb": {
    "r": 239,
    "g": 252,
    "b": 249
  },
  "hsl": {
    "h": 166.154,
    "s": 68.421,
    "l": 96.275
  },
  "oklch": {
    "l": 0.98059,
    "c": 0.01421,
    "h": 180.7
  },
  "luminance": 0.94811
}

Semantic roles & 50–950 ramp

primary

#EFFCF9

secondary

#E2ADB9

accent

#1540D0

background

#FFFFFF

surface

#FEFFFF

border

#D6D7D7

text

#171717

muted

#858585

Preview Lab

Preview with #EFFCF9

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

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