#ECF975#ECF975

#ECF975 is a very light, vivid yellow. Relative luminance 0.869; OKLCH L 94.7% C 0.156 H 114.1°. Best body text is #000000 at 18.37:1 contrast (WCAG AA passes).

Color values

HEX	#ECF975
RGB	rgb(236, 249, 117)
HSL	hsl(66, 92%, 72%)
HSV	hsv(66, 53%, 98%)
CMYK	cmyk(5.2%, 0%, 53%, 2.4%)
CIE-LAB	lab(94.68, -21.96, 60.95)
CIE-LCH	lch(94.68, 64.79, 109.82°)
OKLab	oklab(94.66% -0.0637 0.1427)
OKLCH	oklch(94.66% 0.156 114.1)
XYZ	xyz(71.6800, 86.8697, 29.8177)
Luminance	0.8687 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF975 #8275F9

analogous

#F9C475 #ECF975 #AAF975

triadic

#ECF975 #75ECF9 #F975EC

tetradic

#ECF975 #75F9C4 #8275F9 #F975AA

square

#ECF975 #75F9C4 #8275F9 #F975AA

split-complementary

#ECF975 #75AAF9 #C475F9

monochromatic

#D3E90A #E4F63A #ECF975 #F4FCB0 #FBFEE2

Accessibility & contrast

On white

1.14

#ECF975 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.37

#ECF975 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF975

18.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF975	#FFFFFF	#000000	##000000
##ECF975	1.00	1.14	18.37	18.37
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.37	21.00	1.00	1.00
##000000	18.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE68

Deuteranopia (green-blind)

#FFF17C

Tritanopia (blue-blind)

#F9ECDC

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #ecf975;
/* rgb */ color: rgb(236, 249, 117);
/* oklch */ color: oklch(94.7% 0.156 114.1);

Tailwind

colors: {
  custom: {
    50: '#f4fba0',
    500: '#ecf975',
    950: '#000000',
  },
}

SCSS

$custom: #ecf975;
$custom-light: #f4fba0;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf975",
  "rgb": {
    "r": 236,
    "g": 249,
    "b": 117
  },
  "hsl": {
    "h": 65.909,
    "s": 91.667,
    "l": 71.765
  },
  "oklch": {
    "l": 0.94655,
    "c": 0.15625,
    "h": 114.1
  },
  "luminance": 0.86869
}

Semantic roles & 50–950 ramp

primary

#ECF975

secondary

#4C3DD5

accent

#00E617

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECF975

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

Preview Lab → · Contrast checker → · Palette generator →