#ECE15B#ECE15B

#ECE15B is a very light, vivid yellow. Relative luminance 0.724; OKLCH L 89.4% C 0.153 H 104.6°. Best body text is #000000 at 15.49:1 contrast (WCAG AA passes).

Color values

HEX	#ECE15B
RGB	rgb(236, 225, 91)
HSL	hsl(55, 79%, 64%)
HSV	hsv(55, 61%, 93%)
CMYK	cmyk(0%, 4.7%, 61.4%, 7.5%)
CIE-LAB	lab(88.18, -12.16, 64.92)
CIE-LCH	lch(88.18, 66.05, 100.61°)
OKLab	oklab(89.39% -0.0386 0.1481)
OKLCH	oklch(89.39% 0.153 104.6)
XYZ	xyz(63.4079, 72.4409, 20.5379)
Luminance	0.7244 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECE15B #5B66EC

analogous

#EC995B #ECE15B #AFEC5B

triadic

#ECE15B #5BECE1 #E15BEC

tetradic

#ECE15B #5BEC99 #5B66EC #EC5BAF

square

#ECE15B #5BEC99 #5B66EC #EC5BAF

split-complementary

#ECE15B #5BAFEC #995BEC

monochromatic

#B7AB15 #E6D724 #ECE15B #F2EB92 #F9F5C9

Accessibility & contrast

On white

1.36

#ECE15B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.49

#ECE15B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECE15B

15.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECE15B	#FFFFFF	#000000	##000000
##ECE15B	1.00	1.36	15.49	15.49
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.49	21.00	1.00	1.00
##000000	15.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3DA4B

Deuteranopia (green-blind)

#F7E063

Tritanopia (blue-blind)

#FCD3C5

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #ece15b;
/* rgb */ color: rgb(236, 225, 91);
/* oklch */ color: oklch(89.4% 0.153 104.6);

Tailwind

colors: {
  custom: {
    50: '#f5ea8f',
    500: '#ece15b',
    950: '#000000',
  },
}

SCSS

$custom: #ece15b;
$custom-light: #f5ea8f;
$custom-dark: #000000;

JSON

{
  "hex": "#ece15b",
  "rgb": {
    "r": 236,
    "g": 225,
    "b": 91
  },
  "hsl": {
    "h": 55.448,
    "s": 79.235,
    "l": 64.118
  },
  "oklch": {
    "l": 0.89392,
    "c": 0.15303,
    "h": 104.6
  },
  "luminance": 0.72439
}

Semantic roles & 50–950 ramp

primary

#ECE15B

secondary

#343EB7

accent

#1ADC0A

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18160D

muted

#86847F

Preview Lab

Preview with #ECE15B

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

Preview Lab → · Contrast checker → · Palette generator →