#ECF175#ECF175

#ECF175 is a very light, vivid yellow. Relative luminance 0.820; OKLCH L 93.0% C 0.147 H 111.0°. Best body text is #000000 at 17.41:1 contrast (WCAG AA passes).

Color values

HEX	#ECF175
RGB	rgb(236, 241, 117)
HSL	hsl(62, 82%, 70%)
HSV	hsv(62, 51%, 95%)
CMYK	cmyk(2.1%, 0%, 51.5%, 5.5%)
CIE-LAB	lab(92.59, -18.11, 58.52)
CIE-LCH	lch(92.59, 61.26, 107.20°)
OKLab	oklab(92.98% -0.0528 0.1374)
OKLCH	oklch(92.98% 0.147 111)
XYZ	xyz(69.2598, 82.0293, 29.0109)
Luminance	0.8203 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF175 #7A75F1

analogous

#F1B875 #ECF175 #AEF175

triadic

#ECF175 #75ECF1 #F175EC

tetradic

#ECF175 #75F1B8 #7A75F1 #F175AE

square

#ECF175 #75F1B8 #7A75F1 #F175AE

split-complementary

#ECF175 #75AEF1 #B875F1

monochromatic

#CED616 #E4EB3D #ECF175 #F4F7AD #FBFCE3

Accessibility & contrast

On white

1.21

#ECF175 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.41

#ECF175 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF175

17.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF175	#FFFFFF	#000000	##000000
##ECF175	1.00	1.21	17.41	17.41
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.41	21.00	1.00	1.00
##000000	17.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE869

Deuteranopia (green-blind)

#FFEC7C

Tritanopia (blue-blind)

#FAE4D5

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #ecf175;
/* rgb */ color: rgb(236, 241, 117);
/* oklch */ color: oklch(93.0% 0.147 111.0);

Tailwind

colors: {
  custom: {
    50: '#f4f5a0',
    500: '#ecf175',
    950: '#000000',
  },
}

SCSS

$custom: #ecf175;
$custom-light: #f4f5a0;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf175",
  "rgb": {
    "r": 236,
    "g": 241,
    "b": 117
  },
  "hsl": {
    "h": 62.419,
    "s": 81.579,
    "l": 70.196
  },
  "oklch": {
    "l": 0.92981,
    "c": 0.14721,
    "h": 111
  },
  "luminance": 0.82028
}

Semantic roles & 50–950 ramp

primary

#ECF175

secondary

#453FCB

accent

#08DE10

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170F

muted

#858580

Preview Lab

Preview with #ECF175

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

Preview Lab → · Contrast checker → · Palette generator →