#ECE666#ECE666

#ECE666 is a very light, vivid yellow. Relative luminance 0.754; OKLCH L 90.5% C 0.149 H 106.5°. Best body text is #000000 at 16.08:1 contrast (WCAG AA passes).

Color values

HEX	#ECE666
RGB	rgb(236, 230, 102)
HSL	hsl(57, 78%, 66%)
HSV	hsv(57, 57%, 93%)
CMYK	cmyk(0%, 2.5%, 56.8%, 7.5%)
CIE-LAB	lab(89.57, -13.89, 61.75)
CIE-LCH	lch(89.57, 63.29, 102.68°)
OKLab	oklab(90.53% -0.0424 0.1427)
OKLCH	oklch(90.53% 0.149 106.5)
XYZ	xyz(65.2892, 75.3878, 23.6799)
Luminance	0.7539 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECE666 #666CEC

analogous

#ECA366 #ECE666 #AFEC66

triadic

#ECE666 #66ECE6 #E666EC

tetradic

#ECE666 #66ECA3 #666CEC #EC66AF

square

#ECE666 #66ECA3 #666CEC #EC66AF

split-complementary

#ECE666 #66AFEC #A366EC

monochromatic

#C0B818 #E5DD30 #ECE666 #F3EF9C #FAF8D3

Accessibility & contrast

On white

1.31

#ECE666 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.08

#ECE666 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECE666

16.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECE666	#FFFFFF	#000000	##000000
##ECE666	1.00	1.31	16.08	16.08
#FFFFFF	1.31	1.00	21.00	21.00
#000000	16.08	21.00	1.00	1.00
##000000	16.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F7DE58

Deuteranopia (green-blind)

#FAE46D

Tritanopia (blue-blind)

#FBD9CA

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #ece666;
/* rgb */ color: rgb(236, 230, 102);
/* oklch */ color: oklch(90.5% 0.149 106.5);

Tailwind

colors: {
  custom: {
    50: '#f5ed96',
    500: '#ece666',
    950: '#000000',
  },
}

SCSS

$custom: #ece666;
$custom-light: #f5ed96;
$custom-dark: #000000;

JSON

{
  "hex": "#ece666",
  "rgb": {
    "r": 236,
    "g": 230,
    "b": 102
  },
  "hsl": {
    "h": 57.313,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.90532,
    "c": 0.1489,
    "h": 106.5
  },
  "luminance": 0.75386
}

Semantic roles & 50–950 ramp

primary

#ECE666

secondary

#383EBE

accent

#15DA0B

background

#FFFEFC

surface

#FFFDF5

border

#D7D5CF

text

#17160E

muted

#85847F

Preview Lab

Preview with #ECE666

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

Preview Lab → · Contrast checker → · Palette generator →