#EFFCA3#EFFCA3

#EFFCA3 is a very light, moderate yellow. Relative luminance 0.906; OKLCH L 96.1% C 0.112 H 115.3°. Best body text is #000000 at 19.12:1 contrast (WCAG AA passes).

Color values

HEX	#EFFCA3
RGB	rgb(239, 252, 163)
HSL	hsl(69, 94%, 81%)
HSV	hsv(69, 35%, 99%)
CMYK	cmyk(5.2%, 0%, 35.3%, 1.2%)
CIE-LAB	lab(96.25, -17.70, 41.24)
CIE-LCH	lch(96.25, 44.88, 113.23°)
OKLab	oklab(96.15% -0.0481 0.1016)
OKLCH	oklch(96.15% 0.112 115.3)
XYZ	xyz(77.0181, 90.6166, 48.0766)
Luminance	0.9062 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFCA3 #B0A3FC

analogous

#FCDDA3 #EFFCA3 #C3FCA3

triadic

#EFFCA3 #A3EFFC #FCA3EF

tetradic

#EFFCA3 #A3FCDD #B0A3FC #FCA3C3

square

#EFFCA3 #A3FCDD #B0A3FC #FCA3C3

split-complementary

#EFFCA3 #A3C3FC #DDA3FC

monochromatic

#DAF82C #E5FA68 #EFFCA3 #F9FEDE #FAFEE1

Accessibility & contrast

On white

1.10

#EFFCA3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.12

#EFFCA3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFCA3

19.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFCA3	#FFFFFF	#000000	##000000
##EFFCA3	1.00	1.10	19.12	19.12
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.12	21.00	1.00	1.00
##000000	19.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF49D

Deuteranopia (green-blind)

#FFF5A7

Tritanopia (blue-blind)

#F9F3E6

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #effca3;
/* rgb */ color: rgb(239, 252, 163);
/* oklch */ color: oklch(96.1% 0.112 115.3);

Tailwind

colors: {
  custom: {
    50: '#f5fdbf',
    500: '#effca3',
    950: '#000000',
  },
}

SCSS

$custom: #effca3;
$custom-light: #f5fdbf;
$custom-dark: #000000;

JSON

{
  "hex": "#effca3",
  "rgb": {
    "r": 239,
    "g": 252,
    "b": 163
  },
  "hsl": {
    "h": 68.764,
    "s": 93.684,
    "l": 81.373
  },
  "oklch": {
    "l": 0.96146,
    "c": 0.11243,
    "h": 115.3
  },
  "luminance": 0.90616
}

Semantic roles & 50–950 ramp

primary

#EFFCA3

secondary

#7664DF

accent

#00E622

background

#FFFFFD

surface

#FEFFF9

border

#D6D7D2

text

#171712

muted

#858582

Preview Lab

Preview with #EFFCA3

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

Preview Lab → · Contrast checker → · Palette generator →