#ECF15F#ECF15F

#ECF15F is a very light, vivid yellow. Relative luminance 0.816; OKLCH L 92.8% C 0.166 H 111.1°. Best body text is #000000 at 17.31:1 contrast (WCAG AA passes).

Color values

HEX	#ECF15F
RGB	rgb(236, 241, 95)
HSL	hsl(62, 84%, 66%)
HSV	hsv(62, 61%, 95%)
CMYK	cmyk(2.1%, 0%, 60.6%, 5.5%)
CIE-LAB	lab(92.39, -19.74, 67.79)
CIE-LCH	lch(92.39, 70.61, 106.23°)
OKLab	oklab(92.76% -0.0596 0.1547)
OKLCH	oklch(92.76% 0.166 111.1)
XYZ	xyz(68.1148, 81.5713, 22.9810)
Luminance	0.8157 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF15F #645FF1

analogous

#F1AD5F #ECF15F #A3F15F

triadic

#ECF15F #5FECF1 #F15FEC

tetradic

#ECF15F #5FF1AD #645FF1 #F15FA3

square

#ECF15F #5FF1AD #645FF1 #F15FA3

split-complementary

#ECF15F #5FA3F1 #AD5FF1

monochromatic

#BEC411 #E5EC27 #ECF15F #F3F697 #F9FBD0

Accessibility & contrast

On white

1.21

#ECF15F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.31

#ECF15F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF15F

17.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF15F	#FFFFFF	#000000	##000000
##ECF15F	1.00	1.21	17.31	17.31
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.31	21.00	1.00	1.00
##000000	17.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE74D

Deuteranopia (green-blind)

#FFEB68

Tritanopia (blue-blind)

#FBE3D2

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #ecf15f;
/* rgb */ color: rgb(236, 241, 95);
/* oklch */ color: oklch(92.8% 0.166 111.1);

Tailwind

colors: {
  custom: {
    50: '#f5f592',
    500: '#ecf15f',
    950: '#000000',
  },
}

SCSS

$custom: #ecf15f;
$custom-light: #f5f592;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf15f",
  "rgb": {
    "r": 236,
    "g": 241,
    "b": 95
  },
  "hsl": {
    "h": 62.055,
    "s": 83.908,
    "l": 65.882
  },
  "oklch": {
    "l": 0.92755,
    "c": 0.16581,
    "h": 111.1
  },
  "luminance": 0.8157
}

Semantic roles & 50–950 ramp

primary

#ECF15F

secondary

#3732C2

accent

#05E00D

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #ECF15F

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

Preview Lab → · Contrast checker → · Palette generator →