#ECF47F#ECF47F

#ECF47F is a very light, vivid yellow. Relative luminance 0.841; OKLCH L 93.7% C 0.141 H 112.3°. Best body text is #000000 at 17.81:1 contrast (WCAG AA passes).

Color values

HEX	#ECF47F
RGB	rgb(236, 244, 127)
HSL	hsl(64, 84%, 73%)
HSV	hsv(64, 48%, 96%)
CMYK	cmyk(3.3%, 0%, 48%, 4.3%)
CIE-LAB	lab(93.48, -18.70, 55.00)
CIE-LCH	lch(93.48, 58.09, 108.78°)
OKLab	oklab(93.73% -0.0535 0.1306)
OKLCH	oklch(93.73% 0.141 112.3)
XYZ	xyz(70.7748, 84.0678, 32.5729)
Luminance	0.8407 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF47F #877FF4

analogous

#F4C27F #ECF47F #B1F47F

triadic

#ECF47F #7FECF4 #F47FEC

tetradic

#ECF47F #7FF4C2 #877FF4 #F47FB1

square

#ECF47F #7FF4C2 #877FF4 #F47FB1

split-complementary

#ECF47F #7FB1F4 #C27FF4

monochromatic

#D7E514 #E4EF47 #ECF47F #F4F9B7 #FBFDE3

Accessibility & contrast

On white

1.18

#ECF47F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.81

#ECF47F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF47F

17.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF47F	#FFFFFF	#000000	##000000
##ECF47F	1.00	1.18	17.81	17.81
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.81	21.00	1.00	1.00
##000000	17.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB75

Deuteranopia (green-blind)

#FFEE85

Tritanopia (blue-blind)

#F9E8D9

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #ecf47f;
/* rgb */ color: rgb(236, 244, 127);
/* oklch */ color: oklch(93.7% 0.141 112.3);

Tailwind

colors: {
  custom: {
    50: '#f4f7a7',
    500: '#ecf47f',
    950: '#000000',
  },
}

SCSS

$custom: #ecf47f;
$custom-light: #f4f7a7;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf47f",
  "rgb": {
    "r": 236,
    "g": 244,
    "b": 127
  },
  "hsl": {
    "h": 64.103,
    "s": 84.173,
    "l": 72.745
  },
  "oklch": {
    "l": 0.93728,
    "c": 0.14115,
    "h": 112.3
  },
  "luminance": 0.84067
}

Semantic roles & 50–950 ramp

primary

#ECF47F

secondary

#5148D0

accent

#05E114

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#171710

muted

#858580

Preview Lab

Preview with #ECF47F

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

Preview Lab → · Contrast checker → · Palette generator →