#ECEC63#ECEC63

#ECEC63 is a very light, vivid yellow. Relative luminance 0.787; OKLCH L 91.7% C 0.157 H 109.1°. Best body text is #000000 at 16.75:1 contrast (WCAG AA passes).

Color values

HEX	#ECEC63
RGB	rgb(236, 236, 99)
HSL	hsl(60, 78%, 66%)
HSV	hsv(60, 58%, 93%)
CMYK	cmyk(0%, 0%, 58.1%, 7.5%)
CIE-LAB	lab(91.11, -17.05, 64.74)
CIE-LCH	lch(91.11, 66.95, 104.75°)
OKLab	oklab(91.75% -0.0516 0.1488)
OKLCH	oklch(91.75% 0.157 109.1)
XYZ	xyz(66.8416, 78.7264, 23.4767)
Luminance	0.7873 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECEC63 #6363EC

analogous

#ECA763 #ECEC63 #A7EC63

triadic

#ECEC63 #63ECEC #EC63EC

tetradic

#ECEC63 #63ECA7 #6363EC #EC63A7

square

#ECEC63 #63ECA7 #6363EC #EC63A7

split-complementary

#ECEC63 #63A7EC #A763EC

monochromatic

#BEBE17 #E5E52C #ECEC63 #F3F39A #F9F9D0

Accessibility & contrast

On white

1.25

#ECEC63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.75

#ECEC63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECEC63

16.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECEC63	#FFFFFF	#000000	##000000
##ECEC63	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)

#FDE354

Deuteranopia (green-blind)

#FFE86B

Tritanopia (blue-blind)

#FBDECF

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #ecec63;
/* rgb */ color: rgb(236, 236, 99);
/* oklch */ color: oklch(91.7% 0.157 109.1);

Tailwind

colors: {
  custom: {
    50: '#f5f194',
    500: '#ecec63',
    950: '#000000',
  },
}

SCSS

$custom: #ecec63;
$custom-light: #f5f194;
$custom-dark: #000000;

JSON

{
  "hex": "#ecec63",
  "rgb": {
    "r": 236,
    "g": 236,
    "b": 99
  },
  "hsl": {
    "h": 60,
    "s": 78.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.91748,
    "c": 0.15746,
    "h": 109.1
  },
  "luminance": 0.78725
}

Semantic roles & 50–950 ramp

primary

#ECEC63

secondary

#3737BC

accent

#0BDB0B

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17160E

muted

#85857F

Preview Lab

Preview with #ECEC63

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

Preview Lab → · Contrast checker → · Palette generator →