#ECF164#ECF164

#ECF164 is a very light, vivid yellow. Relative luminance 0.817; OKLCH L 92.8% C 0.162 H 111.1°. Best body text is #000000 at 17.33:1 contrast (WCAG AA passes).

Color values

HEX	#ECF164
RGB	rgb(236, 241, 100)
HSL	hsl(62, 83%, 67%)
HSV	hsv(62, 59%, 95%)
CMYK	cmyk(2.1%, 0%, 58.5%, 5.5%)
CIE-LAB	lab(92.43, -19.40, 65.77)
CIE-LCH	lch(92.43, 68.57, 106.44°)
OKLab	oklab(92.8% -0.0582 0.1511)
OKLCH	oklch(92.8% 0.162 111.1)
XYZ	xyz(68.3495, 81.6652, 24.2166)
Luminance	0.8166 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF164 #6964F1

analogous

#F1B064 #ECF164 #A5F164

triadic

#ECF164 #64ECF1 #F164EC

tetradic

#ECF164 #64F1B0 #6964F1 #F164A5

square

#ECF164 #64F1B0 #6964F1 #F164A5

split-complementary

#ECF164 #64A5F1 #B064F1

monochromatic

#C2C812 #E5EC2C #ECF164 #F3F69C #FAFBD4

Accessibility & contrast

On white

1.21

#ECF164 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.33

#ECF164 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF164

17.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF164	#FFFFFF	#000000	##000000
##ECF164	1.00	1.21	17.33	17.33
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.33	21.00	1.00	1.00
##000000	17.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE754

Deuteranopia (green-blind)

#FFEB6C

Tritanopia (blue-blind)

#FBE3D3

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #ecf164;
/* rgb */ color: rgb(236, 241, 100);
/* oklch */ color: oklch(92.8% 0.162 111.1);

Tailwind

colors: {
  custom: {
    50: '#f5f595',
    500: '#ecf164',
    950: '#000000',
  },
}

SCSS

$custom: #ecf164;
$custom-light: #f5f595;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf164",
  "rgb": {
    "r": 236,
    "g": 241,
    "b": 100
  },
  "hsl": {
    "h": 62.128,
    "s": 83.432,
    "l": 66.863
  },
  "oklch": {
    "l": 0.92801,
    "c": 0.16188,
    "h": 111.1
  },
  "luminance": 0.81664
}

Semantic roles & 50–950 ramp

primary

#ECF164

secondary

#3934C5

accent

#06E00D

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECF164

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

Preview Lab → · Contrast checker → · Palette generator →