#ECF09E#ECF09E

#ECF09E is a very light, moderate yellow. Relative luminance 0.826; OKLCH L 93.4% C 0.103 H 110.6°. Best body text is #000000 at 17.52:1 contrast (WCAG AA passes).

Color values

HEX	#ECF09E
RGB	rgb(236, 240, 158)
HSL	hsl(63, 73%, 78%)
HSV	hsv(63, 34%, 94%)
CMYK	cmyk(1.7%, 0%, 34.2%, 5.9%)
CIE-LAB	lab(92.85, -13.54, 39.25)
CIE-LCH	lch(92.85, 41.52, 109.04°)
OKLab	oklab(93.36% -0.0364 0.0968)
OKLCH	oklch(93.36% 0.103 110.6)
XYZ	xyz(71.9242, 82.6228, 44.5000)
Luminance	0.8262 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF09E #A29EF0

analogous

#F0CB9E #ECF09E #C3F09E

triadic

#ECF09E #9EECF0 #F09EEC

tetradic

#ECF09E #9EF0CB #A29EF0 #F09EC3

square

#ECF09E #9EF0CB #A29EF0 #F09EC3

split-complementary

#ECF09E #9EC3F0 #CB9EF0

monochromatic

#D7E034 #E2E869 #ECF09E #F6F8D3 #FAFBE4

Accessibility & contrast

On white

1.20

#ECF09E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.52

#ECF09E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF09E

17.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF09E	#FFFFFF	#000000	##000000
##ECF09E	1.00	1.20	17.52	17.52
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.52	21.00	1.00	1.00
##000000	17.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE998

Deuteranopia (green-blind)

#FDECA1

Tritanopia (blue-blind)

#F6E7DB

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #ecf09e;
/* rgb */ color: rgb(236, 240, 158);
/* oklch */ color: oklch(93.4% 0.103 110.6);

Tailwind

colors: {
  custom: {
    50: '#f3f4bb',
    500: '#ecf09e',
    950: '#000000',
  },
}

SCSS

$custom: #ecf09e;
$custom-light: #f3f4bb;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf09e",
  "rgb": {
    "r": 236,
    "g": 240,
    "b": 158
  },
  "hsl": {
    "h": 62.927,
    "s": 73.214,
    "l": 78.039
  },
  "oklch": {
    "l": 0.93359,
    "c": 0.10347,
    "h": 110.6
  },
  "luminance": 0.82622
}

Semantic roles & 50–950 ramp

primary

#ECF09E

secondary

#6A65CD

accent

#10D51A

background

#FFFFFD

surface

#FEFEF8

border

#D6D6D1

text

#171712

muted

#858582

Preview Lab

Preview with #ECF09E

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

Preview Lab → · Contrast checker → · Palette generator →