#EFFB6A#EFFB6A

#EFFB6A is a very light, vivid yellow. Relative luminance 0.884; OKLCH L 95.2% C 0.167 H 113.5°. Best body text is #000000 at 18.68:1 contrast (WCAG AA passes).

Color values

HEX	#EFFB6A
RGB	rgb(239, 251, 106)
HSL	hsl(65, 95%, 70%)
HSV	hsv(65, 58%, 98%)
CMYK	cmyk(4.8%, 0%, 57.8%, 1.6%)
CIE-LAB	lab(95.32, -22.58, 66.50)
CIE-LCH	lch(95.32, 70.23, 108.76°)
OKLab	oklab(95.19% -0.0667 0.1533)
OKLCH	oklch(95.19% 0.167 113.5)
XYZ	xyz(72.6970, 88.3870, 26.8637)
Luminance	0.8839 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFB6A #766AFB

analogous

#FBBF6A #EFFB6A #A6FB6A

triadic

#EFFB6A #6AEFFB #FB6AEF

tetradic

#EFFB6A #6AFBBF #766AFB #FB6AA6

square

#EFFB6A #6AFBBF #766AFB #FB6AA6

split-complementary

#EFFB6A #6AA6FB #BF6AFB

monochromatic

#D2E406 #E9F92E #EFFB6A #F5FDA6 #FCFEE1

Accessibility & contrast

On white

1.12

#EFFB6A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.68

#EFFB6A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFB6A

18.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFB6A	#FFFFFF	#000000	##000000
##EFFB6A	1.00	1.12	18.68	18.68
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.68	21.00	1.00	1.00
##000000	18.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF05A

Deuteranopia (green-blind)

#FFF373

Tritanopia (blue-blind)

#FDEEDC

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #effb6a;
/* rgb */ color: rgb(239, 251, 106);
/* oklch */ color: oklch(95.2% 0.167 113.5);

Tailwind

colors: {
  custom: {
    50: '#f7fc9a',
    500: '#effb6a',
    950: '#000000',
  },
}

SCSS

$custom: #effb6a;
$custom-light: #f7fc9a;
$custom-dark: #000000;

JSON

{
  "hex": "#effb6a",
  "rgb": {
    "r": 239,
    "g": 251,
    "b": 106
  },
  "hsl": {
    "h": 64.966,
    "s": 94.771,
    "l": 70
  },
  "oklch": {
    "l": 0.95188,
    "c": 0.16718,
    "h": 113.5
  },
  "luminance": 0.88386
}

Semantic roles & 50–950 ramp

primary

#EFFB6A

secondary

#4133D6

accent

#00E613

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFFB6A

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

Preview Lab → · Contrast checker → · Palette generator →