#ECEC59#ECEC59

#ECEC59 is a very light, vivid yellow. Relative luminance 0.785; OKLCH L 91.7% C 0.165 H 109.3°. Best body text is #000000 at 16.71:1 contrast (WCAG AA passes).

Color values

HEX	#ECEC59
RGB	rgb(236, 236, 89)
HSL	hsl(60, 79%, 64%)
HSV	hsv(60, 62%, 93%)
CMYK	cmyk(0%, 0%, 62.3%, 7.5%)
CIE-LAB	lab(91.03, -17.69, 68.77)
CIE-LCH	lch(91.03, 71.01, 104.43°)
OKLab	oklab(91.66% -0.0545 0.156)
OKLCH	oklch(91.66% 0.165 109.3)
XYZ	xyz(66.3928, 78.5469, 21.1130)
Luminance	0.7854 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECEC59 #5959EC

analogous

#ECA259 #ECEC59 #A2EC59

triadic

#ECEC59 #59ECEC #EC59EC

tetradic

#ECEC59 #59ECA2 #5959EC #EC59A2

square

#ECEC59 #59ECA2 #5959EC #EC59A2

split-complementary

#ECEC59 #59A2EC #A259EC

monochromatic

#B6B615 #E6E622 #ECEC59 #F2F290 #F9F9C7

Accessibility & contrast

On white

1.26

#ECEC59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.71

#ECEC59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECEC59

16.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECEC59	#FFFFFF	#000000	##000000
##ECEC59	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)

#FEE346

Deuteranopia (green-blind)

#FFE862

Tritanopia (blue-blind)

#FCDECE

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #ecec59;
/* rgb */ color: rgb(236, 236, 89);
/* oklch */ color: oklch(91.7% 0.165 109.3);

Tailwind

colors: {
  custom: {
    50: '#f5f18e',
    500: '#ecec59',
    950: '#000000',
  },
}

SCSS

$custom: #ecec59;
$custom-light: #f5f18e;
$custom-dark: #000000;

JSON

{
  "hex": "#ecec59",
  "rgb": {
    "r": 236,
    "g": 236,
    "b": 89
  },
  "hsl": {
    "h": 60,
    "s": 79.459,
    "l": 63.725
  },
  "oklch": {
    "l": 0.91656,
    "c": 0.1652,
    "h": 109.3
  },
  "luminance": 0.78545
}

Semantic roles & 50–950 ramp

primary

#ECEC59

secondary

#3434B5

accent

#0ADC0A

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18160D

muted

#86857F

Preview Lab

Preview with #ECEC59

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

Preview Lab → · Contrast checker → · Palette generator →