#EFFB86#EFFB86

#EFFB86 is a very light, vivid yellow. Relative luminance 0.891; OKLCH L 95.5% C 0.142 H 113.9°. Best body text is #000000 at 18.81:1 contrast (WCAG AA passes).

Color values

HEX	#EFFB86
RGB	rgb(239, 251, 134)
HSL	hsl(66, 94%, 75%)
HSV	hsv(66, 47%, 98%)
CMYK	cmyk(4.8%, 0%, 46.6%, 1.6%)
CIE-LAB	lab(95.61, -20.27, 54.36)
CIE-LCH	lch(95.61, 58.02, 110.45°)
OKLab	oklab(95.51% -0.0575 0.1297)
OKLCH	oklch(95.51% 0.142 113.9)
XYZ	xyz(74.3979, 89.0674, 35.8221)
Luminance	0.8907 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFB86 #9286FB

analogous

#FBCC86 #EFFB86 #B4FB86

triadic

#EFFB86 #86EFFB #FB86EF

tetradic

#EFFB86 #86FBCC #9286FB #FB86B4

square

#EFFB86 #86FBCC #9286FB #FB86B4

split-complementary

#EFFB86 #86B4FB #CC86FB

monochromatic

#DFF710 #E7F94B #EFFB86 #F7FDC1 #FBFEE1

Accessibility & contrast

On white

1.12

#EFFB86 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.81

#EFFB86 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFB86

18.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFB86	#FFFFFF	#000000	##000000
##EFFB86	1.00	1.12	18.81	18.81
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.81	21.00	1.00	1.00
##000000	18.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF17C

Deuteranopia (green-blind)

#FFF48C

Tritanopia (blue-blind)

#FBEFE0

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #effb86;
/* rgb */ color: rgb(239, 251, 134);
/* oklch */ color: oklch(95.5% 0.142 113.9);

Tailwind

colors: {
  custom: {
    50: '#f6fcab',
    500: '#effb86',
    950: '#000000',
  },
}

SCSS

$custom: #effb86;
$custom-light: #f6fcab;
$custom-dark: #000000;

JSON

{
  "hex": "#effb86",
  "rgb": {
    "r": 239,
    "g": 251,
    "b": 134
  },
  "hsl": {
    "h": 66.154,
    "s": 93.6,
    "l": 75.49
  },
  "oklch": {
    "l": 0.95508,
    "c": 0.14188,
    "h": 113.9
  },
  "luminance": 0.89066
}

Semantic roles & 50–950 ramp

primary

#EFFB86

secondary

#5A4CDA

accent

#00E618

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFFB86

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

Preview Lab → · Contrast checker → · Palette generator →