#E3EF56#E3EF56

#E3EF56 is a very light, vivid yellow. Relative luminance 0.787; OKLCH L 91.6% C 0.172 H 113.6°. Best body text is #000000 at 16.75:1 contrast (WCAG AA passes).

Color values

HEX	#E3EF56
RGB	rgb(227, 239, 86)
HSL	hsl(65, 83%, 64%)
HSV	hsv(65, 64%, 94%)
CMYK	cmyk(5%, 0%, 64%, 6.3%)
CIE-LAB	lab(91.12, -22.94, 69.84)
CIE-LCH	lch(91.12, 73.51, 108.19°)
OKLab	oklab(91.55% -0.069 0.158)
OKLCH	oklch(91.55% 0.172 113.6)
XYZ	xyz(64.2265, 78.7370, 20.6167)
Luminance	0.7874 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E3EF56 #6256EF

analogous

#EFAE56 #E3EF56 #96EF56

triadic

#E3EF56 #56E3EF #EF56E3

tetradic

#E3EF56 #56EFAE #6256EF #EF5696

square

#E3EF56 #56EFAE #6256EF #EF5696

split-complementary

#E3EF56 #5696EF #AE56EF

monochromatic

#ACB912 #DAEA1E #E3EF56 #ECF48E #F6FAC6

Accessibility & contrast

On white

1.25

#E3EF56 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.75

#E3EF56 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E3EF56

16.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E3EF56	#FFFFFF	#000000	##000000
##E3EF56	1.00	1.25	16.75	16.75
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.75	21.00	1.00	1.00
##000000	16.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE441

Deuteranopia (green-blind)

#FFE760

Tritanopia (blue-blind)

#F1E2D0

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #e3ef56;
/* rgb */ color: rgb(227, 239, 86);
/* oklch */ color: oklch(91.6% 0.172 113.6);

Tailwind

colors: {
  custom: {
    50: '#eff48d',
    500: '#e3ef56',
    950: '#000000',
  },
}

SCSS

$custom: #e3ef56;
$custom-light: #eff48d;
$custom-dark: #000000;

JSON

{
  "hex": "#e3ef56",
  "rgb": {
    "r": 227,
    "g": 239,
    "b": 86
  },
  "hsl": {
    "h": 64.706,
    "s": 82.703,
    "l": 63.725
  },
  "oklch": {
    "l": 0.91551,
    "c": 0.17241,
    "h": 113.6
  },
  "luminance": 0.78736
}

Semantic roles & 50–950 ramp

primary

#E3EF56

secondary

#3C31B8

accent

#06DF17

background

#FFFFFC

surface

#FEFEF4

border

#D6D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E3EF56

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

Preview Lab → · Contrast checker → · Palette generator →