#ECF47C#ECF47C

#ECF47C is a very light, vivid yellow. Relative luminance 0.840; OKLCH L 93.7% C 0.144 H 112.3°. Best body text is #000000 at 17.80:1 contrast (WCAG AA passes).

Color values

HEX	#ECF47C
RGB	rgb(236, 244, 124)
HSL	hsl(64, 85%, 72%)
HSV	hsv(64, 49%, 96%)
CMYK	cmyk(3.3%, 0%, 49.2%, 4.3%)
CIE-LAB	lab(93.45, -18.97, 56.34)
CIE-LCH	lch(93.45, 59.45, 108.61°)
OKLab	oklab(93.69% -0.0546 0.1333)
OKLCH	oklch(93.69% 0.144 112.3)
XYZ	xyz(70.5822, 83.9908, 31.5585)
Luminance	0.8399 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF47C #847CF4

analogous

#F4C07C #ECF47C #B0F47C

triadic

#ECF47C #7CECF4 #F47CEC

tetradic

#ECF47C #7CF4C0 #847CF4 #F47CB0

square

#ECF47C #7CF4C0 #847CF4 #F47CB0

split-complementary

#ECF47C #7CB0F4 #C07CF4

monochromatic

#D5E313 #E4EF44 #ECF47C #F4F9B4 #FBFDE3

Accessibility & contrast

On white

1.18

#ECF47C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.80

#ECF47C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF47C

17.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF47C	#FFFFFF	#000000	##000000
##ECF47C	1.00	1.18	17.80	17.80
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.80	21.00	1.00	1.00
##000000	17.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB71

Deuteranopia (green-blind)

#FFEE82

Tritanopia (blue-blind)

#F9E8D9

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #ecf47c;
/* rgb */ color: rgb(236, 244, 124);
/* oklch */ color: oklch(93.7% 0.144 112.3);

Tailwind

colors: {
  custom: {
    50: '#f4f7a5',
    500: '#ecf47c',
    950: '#000000',
  },
}

SCSS

$custom: #ecf47c;
$custom-light: #f4f7a5;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf47c",
  "rgb": {
    "r": 236,
    "g": 244,
    "b": 124
  },
  "hsl": {
    "h": 64,
    "s": 84.507,
    "l": 72.157
  },
  "oklch": {
    "l": 0.93691,
    "c": 0.14403,
    "h": 112.3
  },
  "luminance": 0.83989
}

Semantic roles & 50–950 ramp

primary

#ECF47C

secondary

#4E45CF

accent

#05E113

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#17170F

muted

#858580

Preview Lab

Preview with #ECF47C

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

Preview Lab → · Contrast checker → · Palette generator →