#ECF47B#ECF47B

#ECF47B is a very light, vivid yellow. Relative luminance 0.840; OKLCH L 93.7% C 0.145 H 112.3°. Best body text is #000000 at 17.79:1 contrast (WCAG AA passes).

Color values

HEX	#ECF47B
RGB	rgb(236, 244, 123)
HSL	hsl(64, 85%, 72%)
HSV	hsv(64, 50%, 96%)
CMYK	cmyk(3.3%, 0%, 49.6%, 4.3%)
CIE-LAB	lab(93.44, -19.06, 56.79)
CIE-LCH	lch(93.44, 59.90, 108.55°)
OKLab	oklab(93.68% -0.0549 0.1342)
OKLCH	oklch(93.68% 0.145 112.3)
XYZ	xyz(70.5192, 83.9656, 31.2272)
Luminance	0.8396 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF47B #837BF4

analogous

#F4C07B #ECF47B #B0F47B

triadic

#ECF47B #7BECF4 #F47BEC

tetradic

#ECF47B #7BF4C0 #837BF4 #F47BB0

square

#ECF47B #7BF4C0 #837BF4 #F47BB0

split-complementary

#ECF47B #7BB0F4 #C07BF4

monochromatic

#D4E213 #E4EF43 #ECF47B #F4F9B3 #FBFDE3

Accessibility & contrast

On white

1.18

#ECF47B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.79

#ECF47B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF47B

17.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF47B	#FFFFFF	#000000	##000000
##ECF47B	1.00	1.18	17.79	17.79
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.79	21.00	1.00	1.00
##000000	17.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB70

Deuteranopia (green-blind)

#FFEE81

Tritanopia (blue-blind)

#F9E8D8

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #ecf47b;
/* rgb */ color: rgb(236, 244, 123);
/* oklch */ color: oklch(93.7% 0.145 112.3);

Tailwind

colors: {
  custom: {
    50: '#f4f7a4',
    500: '#ecf47b',
    950: '#000000',
  },
}

SCSS

$custom: #ecf47b;
$custom-light: #f4f7a4;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf47b",
  "rgb": {
    "r": 236,
    "g": 244,
    "b": 123
  },
  "hsl": {
    "h": 63.967,
    "s": 84.615,
    "l": 71.961
  },
  "oklch": {
    "l": 0.93678,
    "c": 0.14498,
    "h": 112.3
  },
  "luminance": 0.83964
}

Semantic roles & 50–950 ramp

primary

#ECF47B

secondary

#4D44CF

accent

#04E113

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#17170F

muted

#858580

Preview Lab

Preview with #ECF47B

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

Preview Lab → · Contrast checker → · Palette generator →