#EFFFA6#EFFFA6

#EFFFA6 is a very light, moderate yellow-green. Relative luminance 0.926; OKLCH L 96.8% C 0.113 H 116.9°. Best body text is #000000 at 19.52:1 contrast (WCAG AA passes).

Color values

HEX	#EFFFA6
RGB	rgb(239, 255, 166)
HSL	hsl(71, 100%, 83%)
HSV	hsv(71, 35%, 100%)
CMYK	cmyk(6.3%, 0%, 34.9%, 0%)
CIE-LAB	lab(97.08, -18.80, 40.84)
CIE-LCH	lch(97.08, 44.95, 114.71°)
OKLab	oklab(96.82% -0.051 0.1008)
OKLCH	oklch(96.82% 0.113 116.9)
XYZ	xyz(78.2396, 92.6245, 49.8256)
Luminance	0.9262 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFFA6 #B6A6FF

analogous

#FFE3A6 #EFFFA6 #C2FFA6

triadic

#EFFFA6 #A6EFFF #FFA6EF

tetradic

#EFFFA6 #A6FFE3 #B6A6FF #FFA6C2

square

#EFFFA6 #A6FFE3 #B6A6FF #FFA6C2

split-complementary

#EFFFA6 #A6C2FF #E3A6FF

monochromatic

#D9FF2C #E4FF69 #EFFFA6 #F9FFE0 #F9FFE0

Accessibility & contrast

On white

1.08

#EFFFA6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.52

#EFFFA6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFFA6

19.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFFA6	#FFFFFF	#000000	##000000
##EFFFA6	1.00	1.08	19.52	19.52
#FFFFFF	1.08	1.00	21.00	21.00
#000000	19.52	21.00	1.00	1.00
##000000	19.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF6A0

Deuteranopia (green-blind)

#FFF7AA

Tritanopia (blue-blind)

#F8F6E9

Achromatopsia (no color)

#F7F7F7

Design tokens & code

CSS

--color: #efffa6;
/* rgb */ color: rgb(239, 255, 166);
/* oklch */ color: oklch(96.8% 0.113 116.9);

Tailwind

colors: {
  custom: {
    50: '#f5ffc1',
    500: '#efffa6',
    950: '#000000',
  },
}

SCSS

$custom: #efffa6;
$custom-light: #f5ffc1;
$custom-dark: #000000;

JSON

{
  "hex": "#efffa6",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 166
  },
  "hsl": {
    "h": 70.787,
    "s": 100,
    "l": 82.549
  },
  "oklch": {
    "l": 0.96816,
    "c": 0.11297,
    "h": 116.9
  },
  "luminance": 0.92624
}

Semantic roles & 50–950 ramp

primary

#EFFFA6

secondary

#7C65E4

accent

#00E629

background

#FFFFFD

surface

#FEFFF9

border

#D6D7D2

text

#171812

muted

#858682

Preview Lab

Preview with #EFFFA6

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

Preview Lab → · Contrast checker → · Palette generator →