#ECF16A#ECF16A

#ECF16A is a very light, vivid yellow. Relative luminance 0.818; OKLCH L 92.9% C 0.157 H 111.1°. Best body text is #000000 at 17.36:1 contrast (WCAG AA passes).

Color values

HEX	#ECF16A
RGB	rgb(236, 241, 106)
HSL	hsl(62, 83%, 68%)
HSV	hsv(62, 56%, 95%)
CMYK	cmyk(2.1%, 0%, 56%, 5.5%)
CIE-LAB	lab(92.48, -18.97, 63.27)
CIE-LCH	lch(92.48, 66.05, 106.69°)
OKLab	oklab(92.86% -0.0564 0.1465)
OKLCH	oklch(92.86% 0.157 111.1)
XYZ	xyz(68.6506, 81.7856, 25.8027)
Luminance	0.8178 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF16A #6F6AF1

analogous

#F1B26A #ECF16A #A8F16A

triadic

#ECF16A #6AECF1 #F16AEC

tetradic

#ECF16A #6AF1B2 #6F6AF1 #F16AA8

square

#ECF16A #6AF1B2 #6F6AF1 #F16AA8

split-complementary

#ECF16A #6AA8F1 #B26AF1

monochromatic

#C6CD13 #E5EC32 #ECF16A #F3F6A2 #FAFCDA

Accessibility & contrast

On white

1.21

#ECF16A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.36

#ECF16A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF16A

17.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF16A	#FFFFFF	#000000	##000000
##ECF16A	1.00	1.21	17.36	17.36
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.36	21.00	1.00	1.00
##000000	17.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE75C

Deuteranopia (green-blind)

#FFEB72

Tritanopia (blue-blind)

#FAE4D4

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #ecf16a;
/* rgb */ color: rgb(236, 241, 106);
/* oklch */ color: oklch(92.9% 0.157 111.1);

Tailwind

colors: {
  custom: {
    50: '#f5f599',
    500: '#ecf16a',
    950: '#000000',
  },
}

SCSS

$custom: #ecf16a;
$custom-light: #f5f599;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf16a",
  "rgb": {
    "r": 236,
    "g": 241,
    "b": 106
  },
  "hsl": {
    "h": 62.222,
    "s": 82.822,
    "l": 68.039
  },
  "oklch": {
    "l": 0.92861,
    "c": 0.15693,
    "h": 111.1
  },
  "luminance": 0.81784
}

Semantic roles & 50–950 ramp

primary

#ECF16A

secondary

#3B36C9

accent

#06DF0E

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECF16A

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

Preview Lab → · Contrast checker → · Palette generator →