#ECF49F#ECF49F

#ECF49F is a very light, moderate yellow. Relative luminance 0.850; OKLCH L 94.2% C 0.107 H 112.8°. Best body text is #000000 at 18.01:1 contrast (WCAG AA passes).

Color values

HEX	#ECF49F
RGB	rgb(236, 244, 159)
HSL	hsl(66, 79%, 79%)
HSV	hsv(66, 35%, 96%)
CMYK	cmyk(3.3%, 0%, 34.8%, 4.3%)
CIE-LAB	lab(93.90, -15.39, 40.12)
CIE-LCH	lch(93.90, 42.97, 110.99°)
OKLab	oklab(94.2% -0.0416 0.0989)
OKLCH	oklch(94.2% 0.107 112.8)
XYZ	xyz(73.2012, 85.0384, 45.3520)
Luminance	0.8504 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF49F #A79FF4

analogous

#F4D29F #ECF49F #C2F49F

triadic

#ECF49F #9FECF4 #F49FEC

tetradic

#ECF49F #9FF4D2 #A79FF4 #F49FC2

square

#ECF49F #9FF4D2 #A79FF4 #F49FC2

split-complementary

#ECF49F #9FC2F4 #D29FF4

monochromatic

#D6E731 #E1EE68 #ECF49F #F7FAD6 #FAFCE4

Accessibility & contrast

On white

1.17

#ECF49F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.01

#ECF49F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF49F

18.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF49F	#FFFFFF	#000000	##000000
##ECF49F	1.00	1.17	18.01	18.01
#FFFFFF	1.17	1.00	21.00	21.00
#000000	18.01	21.00	1.00	1.00
##000000	18.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC99

Deuteranopia (green-blind)

#FFEFA3

Tritanopia (blue-blind)

#F6EBDF

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #ecf49f;
/* rgb */ color: rgb(236, 244, 159);
/* oklch */ color: oklch(94.2% 0.107 112.8);

Tailwind

colors: {
  custom: {
    50: '#f3f7bc',
    500: '#ecf49f',
    950: '#000000',
  },
}

SCSS

$custom: #ecf49f;
$custom-light: #f3f7bc;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf49f",
  "rgb": {
    "r": 236,
    "g": 244,
    "b": 159
  },
  "hsl": {
    "h": 65.647,
    "s": 79.439,
    "l": 79.02
  },
  "oklch": {
    "l": 0.94199,
    "c": 0.1073,
    "h": 112.8
  },
  "luminance": 0.85037
}

Semantic roles & 50–950 ramp

primary

#ECF49F

secondary

#6F64D3

accent

#0ADC1E

background

#FFFFFD

surface

#FEFEF8

border

#D6D6D1

text

#171712

muted

#858582

Preview Lab

Preview with #ECF49F

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

Preview Lab → · Contrast checker → · Palette generator →