#E3EF54#E3EF54

#E3EF54 is a very light, vivid yellow. Relative luminance 0.787; OKLCH L 91.5% C 0.174 H 113.6°. Best body text is #000000 at 16.74:1 contrast (WCAG AA passes).

Color values

HEX	#E3EF54
RGB	rgb(227, 239, 84)
HSL	hsl(65, 83%, 63%)
HSV	hsv(65, 65%, 94%)
CMYK	cmyk(5%, 0%, 64.9%, 6.3%)
CIE-LAB	lab(91.10, -23.06, 70.59)
CIE-LCH	lch(91.10, 74.26, 108.09°)
OKLab	oklab(91.54% -0.0696 0.1593)
OKLCH	oklch(91.54% 0.174 113.6)
XYZ	xyz(64.1470, 78.7052, 20.1983)
Luminance	0.7870 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E3EF54 #6054EF

analogous

#EFAD54 #E3EF54 #95EF54

triadic

#E3EF54 #54E3EF #EF54E3

tetradic

#E3EF54 #54EFAD #6054EF #EF5495

square

#E3EF54 #54EFAD #6054EF #EF5495

split-complementary

#E3EF54 #5495EF #AD54EF

monochromatic

#ABB711 #DAEA1C #E3EF54 #ECF48C #F5F9C4

Accessibility & contrast

On white

1.25

#E3EF54 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.74

#E3EF54 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E3EF54

16.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E3EF54	#FFFFFF	#000000	##000000
##E3EF54	1.00	1.25	16.74	16.74
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.74	21.00	1.00	1.00
##000000	16.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE43E

Deuteranopia (green-blind)

#FFE75F

Tritanopia (blue-blind)

#F1E1CF

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #e3ef54;
/* rgb */ color: rgb(227, 239, 84);
/* oklch */ color: oklch(91.5% 0.174 113.6);

Tailwind

colors: {
  custom: {
    50: '#eff48c',
    500: '#e3ef54',
    950: '#000000',
  },
}

SCSS

$custom: #e3ef54;
$custom-light: #eff48c;
$custom-dark: #000000;

JSON

{
  "hex": "#e3ef54",
  "rgb": {
    "r": 227,
    "g": 239,
    "b": 84
  },
  "hsl": {
    "h": 64.645,
    "s": 82.888,
    "l": 63.333
  },
  "oklch": {
    "l": 0.91535,
    "c": 0.17381,
    "h": 113.6
  },
  "luminance": 0.78704
}

Semantic roles & 50–950 ramp

primary

#E3EF54

secondary

#3B31B7

accent

#06DF17

background

#FFFFFC

surface

#FEFEF4

border

#D6D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E3EF54

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

Preview Lab → · Contrast checker → · Palette generator →