#EFFC86#EFFC86

#EFFC86 is a very light, vivid yellow. Relative luminance 0.897; OKLCH L 95.7% C 0.143 H 114.3°. Best body text is #000000 at 18.94:1 contrast (WCAG AA passes).

Color values

HEX	#EFFC86
RGB	rgb(239, 252, 134)
HSL	hsl(67, 95%, 76%)
HSV	hsv(67, 47%, 99%)
CMYK	cmyk(5.2%, 0%, 46.8%, 1.2%)
CIE-LAB	lab(95.87, -20.75, 54.68)
CIE-LCH	lch(95.87, 58.48, 110.78°)
OKLab	oklab(95.72% -0.0589 0.1304)
OKLCH	oklch(95.72% 0.143 114.3)
XYZ	xyz(74.7111, 89.6938, 35.9265)
Luminance	0.8969 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFC86 #9386FC

analogous

#FCCE86 #EFFC86 #B4FC86

triadic

#EFFC86 #86EFFC #FC86EF

tetradic

#EFFC86 #86FCCE #9386FC #FC86B4

square

#EFFC86 #86FCCE #9386FC #FC86B4

split-complementary

#EFFC86 #86B4FC #CE86FC

monochromatic

#DFF90F #E7FB4A #EFFC86 #F7FDC2 #FBFEE1

Accessibility & contrast

On white

1.11

#EFFC86 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.94

#EFFC86 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFC86

18.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFC86	#FFFFFF	#000000	##000000
##EFFC86	1.00	1.11	18.94	18.94
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.94	21.00	1.00	1.00
##000000	18.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF27C

Deuteranopia (green-blind)

#FFF48C

Tritanopia (blue-blind)

#FBF0E1

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #effc86;
/* rgb */ color: rgb(239, 252, 134);
/* oklch */ color: oklch(95.7% 0.143 114.3);

Tailwind

colors: {
  custom: {
    50: '#f6fdab',
    500: '#effc86',
    950: '#000000',
  },
}

SCSS

$custom: #effc86;
$custom-light: #f6fdab;
$custom-dark: #000000;

JSON

{
  "hex": "#effc86",
  "rgb": {
    "r": 239,
    "g": 252,
    "b": 134
  },
  "hsl": {
    "h": 66.61,
    "s": 95.161,
    "l": 75.686
  },
  "oklch": {
    "l": 0.95716,
    "c": 0.14307,
    "h": 114.3
  },
  "luminance": 0.89693
}

Semantic roles & 50–950 ramp

primary

#EFFC86

secondary

#5B4BDB

accent

#00E619

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFFC86

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

Preview Lab → · Contrast checker → · Palette generator →