#ECE54D#ECE54D

#ECE54D is a very light, vivid yellow. Relative luminance 0.744; OKLCH L 90.1% C 0.167 H 106.7°. Best body text is #000000 at 15.88:1 contrast (WCAG AA passes).

Color values

HEX	#ECE54D
RGB	rgb(236, 229, 77)
HSL	hsl(57, 81%, 61%)
HSV	hsv(57, 67%, 93%)
CMYK	cmyk(0%, 3%, 67.4%, 7.5%)
CIE-LAB	lab(89.12, -14.95, 71.44)
CIE-LCH	lch(89.12, 72.99, 101.82°)
OKLab	oklab(90.1% -0.048 0.1597)
OKLCH	oklch(90.1% 0.167 106.7)
XYZ	xyz(63.9533, 74.4095, 18.0134)
Luminance	0.7441 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECE54D #4D54EC

analogous

#EC954D #ECE54D #A4EC4D

triadic

#ECE54D #4DECE5 #E54DEC

tetradic

#ECE54D #4DEC95 #4D54EC #EC4DA4

square

#ECE54D #4DEC95 #4D54EC #EC4DA4

split-complementary

#ECE54D #4DA4EC #954DEC

monochromatic

#ACA512 #E4DB18 #ECE54D #F2ED84 #F8F5BC

Accessibility & contrast

On white

1.32

#ECE54D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.88

#ECE54D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECE54D

15.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECE54D	#FFFFFF	#000000	##000000
##ECE54D	1.00	1.32	15.88	15.88
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.88	21.00	1.00	1.00
##000000	15.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F8DD36

Deuteranopia (green-blind)

#FBE357

Tritanopia (blue-blind)

#FDD6C7

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #ece54d;
/* rgb */ color: rgb(236, 229, 77);
/* oklch */ color: oklch(90.1% 0.167 106.7);

Tailwind

colors: {
  custom: {
    50: '#f6ec87',
    500: '#ece54d',
    950: '#000000',
  },
}

SCSS

$custom: #ece54d;
$custom-light: #f6ec87;
$custom-dark: #000000;

JSON

{
  "hex": "#ece54d",
  "rgb": {
    "r": 236,
    "g": 229,
    "b": 77
  },
  "hsl": {
    "h": 57.358,
    "s": 80.711,
    "l": 61.373
  },
  "oklch": {
    "l": 0.90103,
    "c": 0.16678,
    "h": 106.7
  },
  "luminance": 0.74407
}

Semantic roles & 50–950 ramp

primary

#ECE54D

secondary

#3036AD

accent

#12DD08

background

#FFFEFC

surface

#FFFDF4

border

#D7D5CE

text

#18160C

muted

#86847F

Preview Lab

Preview with #ECE54D

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

Preview Lab → · Contrast checker → · Palette generator →