#ECF567#ECF567

#ECF567 is a very light, vivid yellow. Relative luminance 0.841; OKLCH L 93.7% C 0.164 H 112.5°. Best body text is #000000 at 17.82:1 contrast (WCAG AA passes).

Color values

HEX	#ECF567
RGB	rgb(236, 245, 103)
HSL	hsl(64, 88%, 68%)
HSV	hsv(64, 58%, 96%)
CMYK	cmyk(3.7%, 0%, 58%, 3.9%)
CIE-LAB	lab(93.50, -21.12, 65.69)
CIE-LCH	lch(93.50, 69.00, 107.82°)
OKLab	oklab(93.67% -0.0627 0.1513)
OKLCH	oklch(93.67% 0.164 112.5)
XYZ	xyz(69.6944, 84.1184, 25.3944)
Luminance	0.8412 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF567 #7067F5

analogous

#F5B767 #ECF567 #A5F567

triadic

#ECF567 #67ECF5 #F567EC

tetradic

#ECF567 #67F5B7 #7067F5 #F567A5

square

#ECF567 #67F5B7 #7067F5 #F567A5

split-complementary

#ECF567 #67A5F5 #B767F5

monochromatic

#C7D40E #E5F12E #ECF567 #F3F9A0 #FAFDDA

Accessibility & contrast

On white

1.18

#ECF567 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.82

#ECF567 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF567

17.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF567	#FFFFFF	#000000	##000000
##ECF567	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)

#FFEB57

Deuteranopia (green-blind)

#FFEE70

Tritanopia (blue-blind)

#FAE8D7

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #ecf567;
/* rgb */ color: rgb(236, 245, 103);
/* oklch */ color: oklch(93.7% 0.164 112.5);

Tailwind

colors: {
  custom: {
    50: '#f5f897',
    500: '#ecf567',
    950: '#000000',
  },
}

SCSS

$custom: #ecf567;
$custom-light: #f5f897;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf567",
  "rgb": {
    "r": 236,
    "g": 245,
    "b": 103
  },
  "hsl": {
    "h": 63.803,
    "s": 87.654,
    "l": 68.235
  },
  "oklch": {
    "l": 0.93668,
    "c": 0.16375,
    "h": 112.5
  },
  "luminance": 0.84117
}

Semantic roles & 50–950 ramp

primary

#ECF567

secondary

#3C32CE

accent

#01E410

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECF567

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

Preview Lab → · Contrast checker → · Palette generator →