#ECF565#ECF565

#ECF565 is a very light, vivid yellow. Relative luminance 0.841; OKLCH L 93.6% C 0.165 H 112.5°. Best body text is #000000 at 17.82:1 contrast (WCAG AA passes).

Color values

HEX	#ECF565
RGB	rgb(236, 245, 101)
HSL	hsl(64, 88%, 68%)
HSV	hsv(64, 59%, 96%)
CMYK	cmyk(3.7%, 0%, 58.8%, 3.9%)
CIE-LAB	lab(93.48, -21.26, 66.51)
CIE-LCH	lch(93.48, 69.82, 107.72°)
OKLab	oklab(93.65% -0.0633 0.1528)
OKLCH	oklch(93.65% 0.165 112.5)
XYZ	xyz(69.5952, 84.0787, 24.8721)
Luminance	0.8408 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF565 #6E65F5

analogous

#F5B665 #ECF565 #A4F565

triadic

#ECF565 #65ECF5 #F565EC

tetradic

#ECF565 #65F5B6 #6E65F5 #F565A4

square

#ECF565 #65F5B6 #6E65F5 #F565A4

split-complementary

#ECF565 #65A4F5 #B665F5

monochromatic

#C6D20E #E5F12C #ECF565 #F3F99E #FAFCD8

Accessibility & contrast

On white

1.18

#ECF565 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.82

#ECF565 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF565

17.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF565	#FFFFFF	#000000	##000000
##ECF565	1.00	1.18	17.82	17.82
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.82	21.00	1.00	1.00
##000000	17.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB54

Deuteranopia (green-blind)

#FFEE6E

Tritanopia (blue-blind)

#FAE8D6

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #ecf565;
/* rgb */ color: rgb(236, 245, 101);
/* oklch */ color: oklch(93.6% 0.165 112.5);

Tailwind

colors: {
  custom: {
    50: '#f5f896',
    500: '#ecf565',
    950: '#000000',
  },
}

SCSS

$custom: #ecf565;
$custom-light: #f5f896;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf565",
  "rgb": {
    "r": 236,
    "g": 245,
    "b": 101
  },
  "hsl": {
    "h": 63.75,
    "s": 87.805,
    "l": 67.843
  },
  "oklch": {
    "l": 0.93649,
    "c": 0.16535,
    "h": 112.5
  },
  "luminance": 0.84077
}

Semantic roles & 50–950 ramp

primary

#ECF565

secondary

#3B31CD

accent

#01E40F

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECF565

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

Preview Lab → · Contrast checker → · Palette generator →