#ECF770#ECF770

#ECF770 is a very light, vivid yellow. Relative luminance 0.855; OKLCH L 94.2% C 0.158 H 113.3°. Best body text is #000000 at 18.10:1 contrast (WCAG AA passes).

Color values

HEX	#ECF770
RGB	rgb(236, 247, 112)
HSL	hsl(65, 89%, 70%)
HSV	hsv(65, 55%, 97%)
CMYK	cmyk(4.5%, 0%, 54.7%, 3.1%)
CIE-LAB	lab(94.11, -21.41, 62.50)
CIE-LCH	lch(94.11, 66.06, 108.91°)
OKLab	oklab(94.18% -0.0626 0.1455)
OKLCH	oklch(94.18% 0.158 113.3)
XYZ	xyz(70.7790, 85.5255, 28.1056)
Luminance	0.8552 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF770 #7B70F7

analogous

#F7BE70 #ECF770 #A8F770

triadic

#ECF770 #70ECF7 #F770EC

tetradic

#ECF770 #70F7BE #7B70F7 #F770A8

square

#ECF770 #70F7BE #7B70F7 #F770A8

split-complementary

#ECF770 #70A8F7 #BE70F7

monochromatic

#CFE00D #E4F436 #ECF770 #F4FAAA #FBFDE2

Accessibility & contrast

On white

1.16

#ECF770 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.10

#ECF770 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF770

18.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF770	#FFFFFF	#000000	##000000
##ECF770	1.00	1.16	18.10	18.10
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.10	21.00	1.00	1.00
##000000	18.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED62

Deuteranopia (green-blind)

#FFF078

Tritanopia (blue-blind)

#FAEAD9

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #ecf770;
/* rgb */ color: rgb(236, 247, 112);
/* oklch */ color: oklch(94.2% 0.158 113.3);

Tailwind

colors: {
  custom: {
    50: '#f5f99d',
    500: '#ecf770',
    950: '#000000',
  },
}

SCSS

$custom: #ecf770;
$custom-light: #f5f99d;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf770",
  "rgb": {
    "r": 236,
    "g": 247,
    "b": 112
  },
  "hsl": {
    "h": 64.889,
    "s": 89.404,
    "l": 70.392
  },
  "oklch": {
    "l": 0.9418,
    "c": 0.15839,
    "h": 113.3
  },
  "luminance": 0.85524
}

Semantic roles & 50–950 ramp

primary

#ECF770

secondary

#463AD2

accent

#00E613

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECF770

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

Preview Lab → · Contrast checker → · Palette generator →