#ECF148#ECF148

#ECF148 is a very light, vivid yellow. Relative luminance 0.812; OKLCH L 92.6% C 0.181 H 111.2°. Best body text is #000000 at 17.24:1 contrast (WCAG AA passes).

Color values

HEX	#ECF148
RGB	rgb(236, 241, 72)
HSL	hsl(62, 86%, 61%)
HSV	hsv(62, 70%, 95%)
CMYK	cmyk(2.1%, 0%, 70.1%, 5.5%)
CIE-LAB	lab(92.23, -21.02, 76.30)
CIE-LCH	lch(92.23, 79.14, 105.40°)
OKLab	oklab(92.58% -0.0655 0.1692)
OKLCH	oklch(92.58% 0.181 111.2)
XYZ	xyz(67.2193, 81.2131, 18.2644)
Luminance	0.8121 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF148 #4D48F1

analogous

#F1A248 #ECF148 #98F148

triadic

#ECF148 #48ECF1 #F148EC

tetradic

#ECF148 #48F1A2 #4D48F1 #F14898

square

#ECF148 #48F1A2 #4D48F1 #F14898

split-complementary

#ECF148 #4898F1 #A248F1

monochromatic

#ACB10E #E4EA12 #ECF148 #F2F581 #F8FABA

Accessibility & contrast

On white

1.22

#ECF148 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.24

#ECF148 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF148

17.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF148	#FFFFFF	#000000	##000000
##ECF148	1.00	1.22	17.24	17.24
#FFFFFF	1.22	1.00	21.00	21.00
#000000	17.24	21.00	1.00	1.00
##000000	17.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE629

Deuteranopia (green-blind)

#FFEB55

Tritanopia (blue-blind)

#FCE2D0

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #ecf148;
/* rgb */ color: rgb(236, 241, 72);
/* oklch */ color: oklch(92.6% 0.181 111.2);

Tailwind

colors: {
  custom: {
    50: '#f6f586',
    500: '#ecf148',
    950: '#000000',
  },
}

SCSS

$custom: #ecf148;
$custom-light: #f6f586;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf148",
  "rgb": {
    "r": 236,
    "g": 241,
    "b": 72
  },
  "hsl": {
    "h": 61.775,
    "s": 85.787,
    "l": 61.373
  },
  "oklch": {
    "l": 0.92577,
    "c": 0.18139,
    "h": 111.2
  },
  "luminance": 0.81211
}

Semantic roles & 50–950 ramp

primary

#ECF148

secondary

#302CB1

accent

#03E20A

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170C

muted

#86857F

Preview Lab

Preview with #ECF148

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

Preview Lab → · Contrast checker → · Palette generator →