#EFFC8A#EFFC8A

#EFFC8A is a very light, vivid yellow. Relative luminance 0.898; OKLCH L 95.8% C 0.139 H 114.4°. Best body text is #000000 at 18.96:1 contrast (WCAG AA passes).

Color values

HEX	#EFFC8A
RGB	rgb(239, 252, 138)
HSL	hsl(67, 95%, 76%)
HSV	hsv(67, 45%, 99%)
CMYK	cmyk(5.2%, 0%, 45.2%, 1.2%)
CIE-LAB	lab(95.92, -20.37, 52.86)
CIE-LCH	lch(95.92, 56.65, 111.07°)
OKLab	oklab(95.77% -0.0575 0.1267)
OKLCH	oklch(95.77% 0.139 114.4)
XYZ	xyz(74.9954, 89.8075, 37.4237)
Luminance	0.8981 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFC8A #978AFC

analogous

#FCD08A #EFFC8A #B6FC8A

triadic

#EFFC8A #8AEFFC #FC8AEF

tetradic

#EFFC8A #8AFCD0 #978AFC #FC8AB6

square

#EFFC8A #8AFCD0 #978AFC #FC8AB6

split-complementary

#EFFC8A #8AB6FC #D08AFC

monochromatic

#DFF913 #E7FA4E #EFFC8A #F7FEC6 #FBFEE1

Accessibility & contrast

On white

1.11

#EFFC8A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.96

#EFFC8A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFC8A

18.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFC8A	#FFFFFF	#000000	##000000
##EFFC8A	1.00	1.11	18.96	18.96
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.96	21.00	1.00	1.00
##000000	18.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF280

Deuteranopia (green-blind)

#FFF490

Tritanopia (blue-blind)

#FBF1E1

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #effc8a;
/* rgb */ color: rgb(239, 252, 138);
/* oklch */ color: oklch(95.8% 0.139 114.4);

Tailwind

colors: {
  custom: {
    50: '#f6fdae',
    500: '#effc8a',
    950: '#000000',
  },
}

SCSS

$custom: #effc8a;
$custom-light: #f6fdae;
$custom-dark: #000000;

JSON

{
  "hex": "#effc8a",
  "rgb": {
    "r": 239,
    "g": 252,
    "b": 138
  },
  "hsl": {
    "h": 66.842,
    "s": 95,
    "l": 76.471
  },
  "oklch": {
    "l": 0.95769,
    "c": 0.13909,
    "h": 114.4
  },
  "luminance": 0.89807
}

Semantic roles & 50–950 ramp

primary

#EFFC8A

secondary

#5F4FDC

accent

#00E61A

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFFC8A

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

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