#ECEC58#ECEC58

#ECEC58 is a very light, vivid yellow. Relative luminance 0.785; OKLCH L 91.6% C 0.166 H 109.3°. Best body text is #000000 at 16.71:1 contrast (WCAG AA passes).

Color values

HEX	#ECEC58
RGB	rgb(236, 236, 88)
HSL	hsl(60, 80%, 64%)
HSV	hsv(60, 63%, 93%)
CMYK	cmyk(0%, 0%, 62.7%, 7.5%)
CIE-LAB	lab(91.02, -17.75, 69.16)
CIE-LCH	lch(91.02, 71.40, 104.39°)
OKLab	oklab(91.65% -0.0548 0.1566)
OKLCH	oklch(91.65% 0.166 109.3)
XYZ	xyz(66.3511, 78.5302, 20.8933)
Luminance	0.7853 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECEC58 #5858EC

analogous

#ECA258 #ECEC58 #A2EC58

triadic

#ECEC58 #58ECEC #EC58EC

tetradic

#ECEC58 #58ECA2 #5858EC #EC58A2

square

#ECEC58 #58ECA2 #5858EC #EC58A2

split-complementary

#ECEC58 #58A2EC #A258EC

monochromatic

#B5B515 #E6E621 #ECEC58 #F2F28F #F9F9C6

Accessibility & contrast

On white

1.26

#ECEC58 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.71

#ECEC58 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECEC58

16.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECEC58	#FFFFFF	#000000	##000000
##ECEC58	1.00	1.26	16.71	16.71
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.71	21.00	1.00	1.00
##000000	16.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE345

Deuteranopia (green-blind)

#FFE861

Tritanopia (blue-blind)

#FCDECD

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #ecec58;
/* rgb */ color: rgb(236, 236, 88);
/* oklch */ color: oklch(91.6% 0.166 109.3);

Tailwind

colors: {
  custom: {
    50: '#f5f18e',
    500: '#ecec58',
    950: '#000000',
  },
}

SCSS

$custom: #ecec58;
$custom-light: #f5f18e;
$custom-dark: #000000;

JSON

{
  "hex": "#ecec58",
  "rgb": {
    "r": 236,
    "g": 236,
    "b": 88
  },
  "hsl": {
    "h": 60,
    "s": 79.57,
    "l": 63.529
  },
  "oklch": {
    "l": 0.91648,
    "c": 0.16592,
    "h": 109.3
  },
  "luminance": 0.78528
}

Semantic roles & 50–950 ramp

primary

#ECEC58

secondary

#3333B5

accent

#0ADC0A

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18160D

muted

#86857F

Preview Lab

Preview with #ECEC58

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

Preview Lab → · Contrast checker → · Palette generator →