#ECF165#ECF165

#ECF165 is a very light, vivid yellow. Relative luminance 0.817; OKLCH L 92.8% C 0.161 H 111.1°. Best body text is #000000 at 17.34:1 contrast (WCAG AA passes).

Color values

HEX	#ECF165
RGB	rgb(236, 241, 101)
HSL	hsl(62, 83%, 67%)
HSV	hsv(62, 58%, 95%)
CMYK	cmyk(2.1%, 0%, 58.1%, 5.5%)
CIE-LAB	lab(92.44, -19.33, 65.36)
CIE-LCH	lch(92.44, 68.16, 106.48°)
OKLab	oklab(92.81% -0.0579 0.1503)
OKLCH	oklch(92.81% 0.161 111.1)
XYZ	xyz(68.3981, 81.6846, 24.4730)
Luminance	0.8168 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF165 #6A65F1

analogous

#F1B065 #ECF165 #A6F165

triadic

#ECF165 #65ECF1 #F165EC

tetradic

#ECF165 #65F1B0 #6A65F1 #F165A6

square

#ECF165 #65F1B0 #6A65F1 #F165A6

split-complementary

#ECF165 #65A6F1 #B065F1

monochromatic

#C3C912 #E5EC2D #ECF165 #F3F69D #FAFBD5

Accessibility & contrast

On white

1.21

#ECF165 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.34

#ECF165 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF165

17.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF165	#FFFFFF	#000000	##000000
##ECF165	1.00	1.21	17.34	17.34
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.34	21.00	1.00	1.00
##000000	17.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE755

Deuteranopia (green-blind)

#FFEB6D

Tritanopia (blue-blind)

#FBE4D3

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #ecf165;
/* rgb */ color: rgb(236, 241, 101);
/* oklch */ color: oklch(92.8% 0.161 111.1);

Tailwind

colors: {
  custom: {
    50: '#f5f596',
    500: '#ecf165',
    950: '#000000',
  },
}

SCSS

$custom: #ecf165;
$custom-light: #f5f596;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf165",
  "rgb": {
    "r": 236,
    "g": 241,
    "b": 101
  },
  "hsl": {
    "h": 62.143,
    "s": 83.333,
    "l": 67.059
  },
  "oklch": {
    "l": 0.92811,
    "c": 0.16107,
    "h": 111.1
  },
  "luminance": 0.81683
}

Semantic roles & 50–950 ramp

primary

#ECF165

secondary

#3934C6

accent

#06E00E

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECF165

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

Preview Lab → · Contrast checker → · Palette generator →