#EFFFA9#EFFFA9

#EFFFA9 is a very light, moderate yellow-green. Relative luminance 0.927; OKLCH L 96.9% C 0.110 H 117.1°. Best body text is #000000 at 19.55:1 contrast (WCAG AA passes).

Color values

HEX	#EFFFA9
RGB	rgb(239, 255, 169)
HSL	hsl(71, 100%, 83%)
HSV	hsv(71, 34%, 100%)
CMYK	cmyk(6.3%, 0%, 33.7%, 0%)
CIE-LAB	lab(97.12, -18.44, 39.42)
CIE-LCH	lch(97.12, 43.52, 115.07°)
OKLab	oklab(96.87% -0.0499 0.0976)
OKLCH	oklch(96.87% 0.11 117.1)
XYZ	xyz(78.5180, 92.7358, 51.2918)
Luminance	0.9274 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFFA9 #B9A9FF

analogous

#FFE4A9 #EFFFA9 #C4FFA9

triadic

#EFFFA9 #A9EFFF #FFA9EF

tetradic

#EFFFA9 #A9FFE4 #B9A9FF #FFA9C4

square

#EFFFA9 #A9FFE4 #B9A9FF #FFA9C4

split-complementary

#EFFFA9 #A9C4FF #E4A9FF

monochromatic

#D8FF2F #E4FF6C #EFFFA9 #F9FFE0 #F9FFE0

Accessibility & contrast

On white

1.07

#EFFFA9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.55

#EFFFA9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFFA9

19.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFFA9	#FFFFFF	#000000	##000000
##EFFFA9	1.00	1.07	19.55	19.55
#FFFFFF	1.07	1.00	21.00	21.00
#000000	19.55	21.00	1.00	1.00
##000000	19.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF6A3

Deuteranopia (green-blind)

#FFF7AD

Tritanopia (blue-blind)

#F8F6E9

Achromatopsia (no color)

#F7F7F7

Design tokens & code

CSS

--color: #efffa9;
/* rgb */ color: rgb(239, 255, 169);
/* oklch */ color: oklch(96.9% 0.110 117.1);

Tailwind

colors: {
  custom: {
    50: '#f5ffc3',
    500: '#efffa9',
    950: '#000000',
  },
}

SCSS

$custom: #efffa9;
$custom-light: #f5ffc3;
$custom-dark: #000000;

JSON

{
  "hex": "#efffa9",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 169
  },
  "hsl": {
    "h": 71.163,
    "s": 100,
    "l": 83.137
  },
  "oklch": {
    "l": 0.96867,
    "c": 0.10959,
    "h": 117.1
  },
  "luminance": 0.92735
}

Semantic roles & 50–950 ramp

primary

#EFFFA9

secondary

#7F68E4

accent

#00E62B

background

#FFFFFD

surface

#FEFFF9

border

#D6D7D2

text

#171812

muted

#858682

Preview Lab

Preview with #EFFFA9

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

Preview Lab → · Contrast checker → · Palette generator →