#EFFCA9#EFFCA9

#EFFCA9 is a very light, moderate yellow. Relative luminance 0.908; OKLCH L 96.2% C 0.106 H 115.7°. Best body text is #000000 at 19.17:1 contrast (WCAG AA passes).

Color values

HEX	#EFFCA9
RGB	rgb(239, 252, 169)
HSL	hsl(69, 93%, 83%)
HSV	hsv(69, 33%, 99%)
CMYK	cmyk(5.2%, 0%, 32.9%, 1.2%)
CIE-LAB	lab(96.34, -16.98, 38.40)
CIE-LCH	lch(96.34, 41.99, 113.86°)
OKLab	oklab(96.25% -0.0458 0.0952)
OKLCH	oklch(96.25% 0.106 115.7)
XYZ	xyz(77.5685, 90.8367, 50.9753)
Luminance	0.9084 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFCA9 #B6A9FC

analogous

#FCE0A9 #EFFCA9 #C5FCA9

triadic

#EFFCA9 #A9EFFC #FCA9EF

tetradic

#EFFCA9 #A9FCE0 #B6A9FC #FCA9C5

square

#EFFCA9 #A9FCE0 #B6A9FC #FCA9C5

split-complementary

#EFFCA9 #A9C5FC #E0A9FC

monochromatic

#D9F833 #E4FA6E #EFFCA9 #F9FEE1 #F9FEE1

Accessibility & contrast

On white

1.10

#EFFCA9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.17

#EFFCA9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFCA9

19.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFCA9	#FFFFFF	#000000	##000000
##EFFCA9	1.00	1.10	19.17	19.17
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.17	21.00	1.00	1.00
##000000	19.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF4A3

Deuteranopia (green-blind)

#FFF5AD

Tritanopia (blue-blind)

#F8F3E7

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #effca9;
/* rgb */ color: rgb(239, 252, 169);
/* oklch */ color: oklch(96.2% 0.106 115.7);

Tailwind

colors: {
  custom: {
    50: '#f5fdc3',
    500: '#effca9',
    950: '#000000',
  },
}

SCSS

$custom: #effca9;
$custom-light: #f5fdc3;
$custom-dark: #000000;

JSON

{
  "hex": "#effca9",
  "rgb": {
    "r": 239,
    "g": 252,
    "b": 169
  },
  "hsl": {
    "h": 69.398,
    "s": 93.258,
    "l": 82.549
  },
  "oklch": {
    "l": 0.96248,
    "c": 0.10563,
    "h": 115.7
  },
  "luminance": 0.90836
}

Semantic roles & 50–950 ramp

primary

#EFFCA9

secondary

#7C6AE0

accent

#00E624

background

#FFFFFD

surface

#FEFFF9

border

#D6D7D2

text

#171712

muted

#858582

Preview Lab

Preview with #EFFCA9

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

Preview Lab → · Contrast checker → · Palette generator →