#ECE583#ECE583

#ECE583 is a very light, vivid yellow. Relative luminance 0.755; OKLCH L 90.7% C 0.120 H 105.0°. Best body text is #000000 at 16.10:1 contrast (WCAG AA passes).

Color values

HEX	#ECE583
RGB	rgb(236, 229, 131)
HSL	hsl(56, 73%, 72%)
HSV	hsv(56, 44%, 93%)
CMYK	cmyk(0%, 3%, 44.5%, 7.5%)
CIE-LAB	lab(89.63, -10.97, 48.42)
CIE-LCH	lch(89.63, 49.65, 102.76°)
OKLab	oklab(90.68% -0.0311 0.1164)
OKLCH	oklch(90.68% 0.12 105)
XYZ	xyz(66.7096, 75.5120, 32.5295)
Luminance	0.7551 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECE583 #838AEC

analogous

#ECB183 #ECE583 #BFEC83

triadic

#ECE583 #83ECE5 #E583EC

tetradic

#ECE583 #83ECB1 #838AEC #EC83BF

square

#ECE583 #83ECB1 #838AEC #EC83BF

split-complementary

#ECE583 #83BFEC #B183EC

monochromatic

#D4C820 #E4DA4E #ECE583 #F4F0B8 #FBF9E4

Accessibility & contrast

On white

1.30

#ECE583 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.10

#ECE583 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECE583

16.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECE583	#FFFFFF	#000000	##000000
##ECE583	1.00	1.30	16.10	16.10
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.10	21.00	1.00	1.00
##000000	16.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4DF7B

Deuteranopia (green-blind)

#F7E487

Tritanopia (blue-blind)

#FAD9CE

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #ece583;
/* rgb */ color: rgb(236, 229, 131);
/* oklch */ color: oklch(90.7% 0.120 105.0);

Tailwind

colors: {
  custom: {
    50: '#f4eda9',
    500: '#ece583',
    950: '#000000',
  },
}

SCSS

$custom: #ece583;
$custom-light: #f4eda9;
$custom-dark: #000000;

JSON

{
  "hex": "#ece583",
  "rgb": {
    "r": 236,
    "g": 229,
    "b": 131
  },
  "hsl": {
    "h": 56,
    "s": 73.427,
    "l": 71.961
  },
  "oklch": {
    "l": 0.90681,
    "c": 0.12044,
    "h": 105
  },
  "luminance": 0.7551
}

Semantic roles & 50–950 ramp

primary

#ECE583

secondary

#4D55C6

accent

#1DD610

background

#FFFEFD

surface

#FFFDF7

border

#D7D5D0

text

#171610

muted

#858481

Preview Lab

Preview with #ECE583

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

Preview Lab → · Contrast checker → · Palette generator →