#ECE566#ECE566

#ECE566 is a very light, vivid yellow. Relative luminance 0.748; OKLCH L 90.3% C 0.148 H 106.1°. Best body text is #000000 at 15.97:1 contrast (WCAG AA passes).

Color values

HEX	#ECE566
RGB	rgb(236, 229, 102)
HSL	hsl(57, 78%, 66%)
HSV	hsv(57, 57%, 93%)
CMYK	cmyk(0%, 3%, 56.8%, 7.5%)
CIE-LAB	lab(89.31, -13.40, 61.46)
CIE-LCH	lch(89.31, 62.90, 102.30°)
OKLab	oklab(90.33% -0.041 0.1421)
OKLCH	oklch(90.33% 0.148 106.1)
XYZ	xyz(65.0117, 74.8328, 23.5874)
Luminance	0.7483 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECE566 #666DEC

analogous

#ECA266 #ECE566 #B0EC66

triadic

#ECE566 #66ECE5 #E566EC

tetradic

#ECE566 #66ECA2 #666DEC #EC66B0

square

#ECE566 #66ECA2 #666DEC #EC66B0

split-complementary

#ECE566 #66B0EC #A266EC

monochromatic

#C0B718 #E5DC30 #ECE566 #F3EE9C #FAF8D3

Accessibility & contrast

On white

1.32

#ECE566 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.97

#ECE566 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECE566

15.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECE566	#FFFFFF	#000000	##000000
##ECE566	1.00	1.32	15.97	15.97
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.97	21.00	1.00	1.00
##000000	15.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F6DD59

Deuteranopia (green-blind)

#FAE36D

Tritanopia (blue-blind)

#FCD8C9

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #ece566;
/* rgb */ color: rgb(236, 229, 102);
/* oklch */ color: oklch(90.3% 0.148 106.1);

Tailwind

colors: {
  custom: {
    50: '#f5ed96',
    500: '#ece566',
    950: '#000000',
  },
}

SCSS

$custom: #ece566;
$custom-light: #f5ed96;
$custom-dark: #000000;

JSON

{
  "hex": "#ece566",
  "rgb": {
    "r": 236,
    "g": 229,
    "b": 102
  },
  "hsl": {
    "h": 56.866,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.90325,
    "c": 0.1479,
    "h": 106.1
  },
  "luminance": 0.74831
}

Semantic roles & 50–950 ramp

primary

#ECE566

secondary

#383FBE

accent

#16DA0B

background

#FFFEFC

surface

#FFFDF5

border

#D7D5CF

text

#17160E

muted

#85847F

Preview Lab

Preview with #ECE566

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

Preview Lab → · Contrast checker → · Palette generator →