#ECF570#ECF570

#ECF570 is a very light, vivid yellow. Relative luminance 0.843; OKLCH L 93.8% C 0.156 H 112.6°. Best body text is #000000 at 17.86:1 contrast (WCAG AA passes).

Color values

HEX	#ECF570
RGB	rgb(236, 245, 112)
HSL	hsl(64, 87%, 70%)
HSV	hsv(64, 54%, 96%)
CMYK	cmyk(3.7%, 0%, 54.3%, 3.9%)
CIE-LAB	lab(93.58, -20.45, 61.90)
CIE-LCH	lch(93.58, 65.19, 108.28°)
OKLab	oklab(93.76% -0.0599 0.1442)
OKLCH	oklch(93.76% 0.156 112.6)
XYZ	xyz(70.1706, 84.3089, 27.9028)
Luminance	0.8431 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF570 #7970F5

analogous

#F5BB70 #ECF570 #AAF570

triadic

#ECF570 #70ECF5 #F570EC

tetradic

#ECF570 #70F5BB #7970F5 #F570AA

square

#ECF570 #70F5BB #7970F5 #F570AA

split-complementary

#ECF570 #70AAF5 #BB70F5

monochromatic

#CDDB0F #E4F137 #ECF570 #F4F9A9 #FBFDE2

Accessibility & contrast

On white

1.18

#ECF570 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.86

#ECF570 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF570

17.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF570	#FFFFFF	#000000	##000000
##ECF570	1.00	1.18	17.86	17.86
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.86	21.00	1.00	1.00
##000000	17.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB62

Deuteranopia (green-blind)

#FFEE78

Tritanopia (blue-blind)

#FAE8D8

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #ecf570;
/* rgb */ color: rgb(236, 245, 112);
/* oklch */ color: oklch(93.8% 0.156 112.6);

Tailwind

colors: {
  custom: {
    50: '#f5f89d',
    500: '#ecf570',
    950: '#000000',
  },
}

SCSS

$custom: #ecf570;
$custom-light: #f5f89d;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf570",
  "rgb": {
    "r": 236,
    "g": 245,
    "b": 112
  },
  "hsl": {
    "h": 64.06,
    "s": 86.928,
    "l": 70
  },
  "oklch": {
    "l": 0.93761,
    "c": 0.15615,
    "h": 112.6
  },
  "luminance": 0.84308
}

Semantic roles & 50–950 ramp

primary

#ECF570

secondary

#443ACF

accent

#02E311

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECF570

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

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