#ECF685#ECF685

#ECF685 is a very light, vivid yellow. Relative luminance 0.854; OKLCH L 94.2% C 0.138 H 113.2°. Best body text is #000000 at 18.09:1 contrast (WCAG AA passes).

Color values

HEX	#ECF685
RGB	rgb(236, 246, 133)
HSL	hsl(65, 86%, 74%)
HSV	hsv(65, 46%, 96%)
CMYK	cmyk(4.1%, 0%, 45.9%, 3.5%)
CIE-LAB	lab(94.07, -19.11, 52.91)
CIE-LCH	lch(94.07, 56.26, 109.86°)
OKLab	oklab(94.22% -0.0542 0.1265)
OKLCH	oklch(94.22% 0.138 113.2)
XYZ	xyz(71.7825, 85.4390, 34.8957)
Luminance	0.8544 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF685 #8F85F6

analogous

#F6C885 #ECF685 #B4F685

triadic

#ECF685 #85ECF6 #F685EC

tetradic

#ECF685 #85F6C8 #8F85F6 #F685B4

square

#ECF685 #85F6C8 #8F85F6 #F685B4

split-complementary

#ECF685 #85B4F6 #C885F6

monochromatic

#DAEE13 #E3F24C #ECF685 #F5FABE #FBFDE3

Accessibility & contrast

On white

1.16

#ECF685 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.09

#ECF685 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF685

18.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF685	#FFFFFF	#000000	##000000
##ECF685	1.00	1.16	18.09	18.09
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.09	21.00	1.00	1.00
##000000	18.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED7B

Deuteranopia (green-blind)

#FFEF8B

Tritanopia (blue-blind)

#F8EADC

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #ecf685;
/* rgb */ color: rgb(236, 246, 133);
/* oklch */ color: oklch(94.2% 0.138 113.2);

Tailwind

colors: {
  custom: {
    50: '#f4f9ab',
    500: '#ecf685',
    950: '#000000',
  },
}

SCSS

$custom: #ecf685;
$custom-light: #f4f9ab;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf685",
  "rgb": {
    "r": 236,
    "g": 246,
    "b": 133
  },
  "hsl": {
    "h": 65.31,
    "s": 86.26,
    "l": 74.314
  },
  "oklch": {
    "l": 0.94223,
    "c": 0.13756,
    "h": 113.2
  },
  "luminance": 0.85438
}

Semantic roles & 50–950 ramp

primary

#ECF685

secondary

#584CD3

accent

#03E317

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #ECF685

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

Preview Lab → · Contrast checker → · Palette generator →