#E3EC63#E3EC63

#E3EC63 is a very light, vivid yellow. Relative luminance 0.772; OKLCH L 91.0% C 0.159 H 112.6°. Best body text is #000000 at 16.44:1 contrast (WCAG AA passes).

Color values

HEX	#E3EC63
RGB	rgb(227, 236, 99)
HSL	hsl(64, 78%, 66%)
HSV	hsv(64, 58%, 93%)
CMYK	cmyk(3.8%, 0%, 58.1%, 7.5%)
CIE-LAB	lab(90.42, -20.65, 63.80)
CIE-LCH	lch(90.42, 67.05, 107.93°)
OKLab	oklab(91.03% -0.0613 0.1469)
OKLCH	oklch(91.03% 0.159 112.6)
XYZ	xyz(63.9277, 77.2239, 23.3401)
Luminance	0.7722 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E3EC63 #6C63EC

analogous

#ECB163 #E3EC63 #9EEC63

triadic

#E3EC63 #63E3EC #EC63E3

tetradic

#E3EC63 #63ECB1 #6C63EC #EC639E

square

#E3EC63 #63ECB1 #6C63EC #EC639E

split-complementary

#E3EC63 #639EEC #B163EC

monochromatic

#B3BE17 #D9E52C #E3EC63 #EDF39A #F7F9D0

Accessibility & contrast

On white

1.28

#E3EC63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.44

#E3EC63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E3EC63

16.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E3EC63	#FFFFFF	#000000	##000000
##E3EC63	1.00	1.28	16.44	16.44
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.44	21.00	1.00	1.00
##000000	16.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE254

Deuteranopia (green-blind)

#FCE56B

Tritanopia (blue-blind)

#F1DFCF

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #e3ec63;
/* rgb */ color: rgb(227, 236, 99);
/* oklch */ color: oklch(91.0% 0.159 112.6);

Tailwind

colors: {
  custom: {
    50: '#eef294',
    500: '#e3ec63',
    950: '#000000',
  },
}

SCSS

$custom: #e3ec63;
$custom-light: #eef294;
$custom-dark: #000000;

JSON

{
  "hex": "#e3ec63",
  "rgb": {
    "r": 227,
    "g": 236,
    "b": 99
  },
  "hsl": {
    "h": 63.942,
    "s": 78.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.91032,
    "c": 0.15919,
    "h": 112.6
  },
  "luminance": 0.77223
}

Semantic roles & 50–950 ramp

primary

#E3EC63

secondary

#4037BC

accent

#0BDB19

background

#FFFFFC

surface

#FEFEF5

border

#D6D6CF

text

#17160E

muted

#85857F

Preview Lab

Preview with #E3EC63

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

Preview Lab → · Contrast checker → · Palette generator →