#EFFCA6#EFFCA6

#EFFCA6 is a very light, moderate yellow. Relative luminance 0.907; OKLCH L 96.2% C 0.109 H 115.5°. Best body text is #000000 at 19.15:1 contrast (WCAG AA passes).

Color values

HEX	#EFFCA6
RGB	rgb(239, 252, 166)
HSL	hsl(69, 93%, 82%)
HSV	hsv(69, 34%, 99%)
CMYK	cmyk(5.2%, 0%, 34.1%, 1.2%)
CIE-LAB	lab(96.30, -17.34, 39.82)
CIE-LCH	lch(96.30, 43.44, 113.54°)
OKLab	oklab(96.2% -0.0469 0.0984)
OKLCH	oklch(96.2% 0.109 115.5)
XYZ	xyz(77.2901, 90.7254, 49.5091)
Luminance	0.9073 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFCA6 #B3A6FC

analogous

#FCDEA6 #EFFCA6 #C4FCA6

triadic

#EFFCA6 #A6EFFC #FCA6EF

tetradic

#EFFCA6 #A6FCDE #B3A6FC #FCA6C4

square

#EFFCA6 #A6FCDE #B3A6FC #FCA6C4

split-complementary

#EFFCA6 #A6C4FC #DEA6FC

monochromatic

#DAF830 #E4FA6B #EFFCA6 #FAFEE1 #FAFEE1

Accessibility & contrast

On white

1.10

#EFFCA6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.15

#EFFCA6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFCA6

19.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFCA6	#FFFFFF	#000000	##000000
##EFFCA6	1.00	1.10	19.15	19.15
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.15	21.00	1.00	1.00
##000000	19.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF4A0

Deuteranopia (green-blind)

#FFF5AA

Tritanopia (blue-blind)

#F8F3E6

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #effca6;
/* rgb */ color: rgb(239, 252, 166);
/* oklch */ color: oklch(96.2% 0.109 115.5);

Tailwind

colors: {
  custom: {
    50: '#f5fdc1',
    500: '#effca6',
    950: '#000000',
  },
}

SCSS

$custom: #effca6;
$custom-light: #f5fdc1;
$custom-dark: #000000;

JSON

{
  "hex": "#effca6",
  "rgb": {
    "r": 239,
    "g": 252,
    "b": 166
  },
  "hsl": {
    "h": 69.07,
    "s": 93.478,
    "l": 81.961
  },
  "oklch": {
    "l": 0.96196,
    "c": 0.10905,
    "h": 115.5
  },
  "luminance": 0.90725
}

Semantic roles & 50–950 ramp

primary

#EFFCA6

secondary

#7967DF

accent

#00E623

background

#FFFFFD

surface

#FEFFF9

border

#D6D7D2

text

#171712

muted

#858582

Preview Lab

Preview with #EFFCA6

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

Preview Lab → · Contrast checker → · Palette generator →