#ECF15C#ECF15C

#ECF15C is a very light, vivid yellow. Relative luminance 0.815; OKLCH L 92.7% C 0.168 H 111.1°. Best body text is #000000 at 17.30:1 contrast (WCAG AA passes).

Color values

HEX	#ECF15C
RGB	rgb(236, 241, 92)
HSL	hsl(62, 84%, 65%)
HSV	hsv(62, 62%, 95%)
CMYK	cmyk(2.1%, 0%, 61.8%, 5.5%)
CIE-LAB	lab(92.36, -19.93, 68.98)
CIE-LCH	lch(92.36, 71.80, 106.11°)
OKLab	oklab(92.73% -0.0605 0.1568)
OKLCH	oklch(92.73% 0.168 111.1)
XYZ	xyz(67.9811, 81.5178, 22.2766)
Luminance	0.8152 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF15C #615CF1

analogous

#F1AB5C #ECF15C #A2F15C

triadic

#ECF15C #5CECF1 #F15CEC

tetradic

#ECF15C #5CF1AB #615CF1 #F15CA2

square

#ECF15C #5CF1AB #615CF1 #F15CA2

split-complementary

#ECF15C #5CA2F1 #AB5CF1

monochromatic

#BCC211 #E5EC24 #ECF15C #F3F694 #F9FBCD

Accessibility & contrast

On white

1.21

#ECF15C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.30

#ECF15C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF15C

17.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF15C	#FFFFFF	#000000	##000000
##ECF15C	1.00	1.21	17.30	17.30
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.30	21.00	1.00	1.00
##000000	17.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE749

Deuteranopia (green-blind)

#FFEB66

Tritanopia (blue-blind)

#FBE3D2

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #ecf15c;
/* rgb */ color: rgb(236, 241, 92);
/* oklch */ color: oklch(92.7% 0.168 111.1);

Tailwind

colors: {
  custom: {
    50: '#f5f591',
    500: '#ecf15c',
    950: '#000000',
  },
}

SCSS

$custom: #ecf15c;
$custom-light: #f5f591;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf15c",
  "rgb": {
    "r": 236,
    "g": 241,
    "b": 92
  },
  "hsl": {
    "h": 62.013,
    "s": 84.181,
    "l": 65.294
  },
  "oklch": {
    "l": 0.92728,
    "c": 0.16807,
    "h": 111.1
  },
  "luminance": 0.81516
}

Semantic roles & 50–950 ramp

primary

#ECF15C

secondary

#3632C0

accent

#05E10C

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #ECF15C

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

Preview Lab → · Contrast checker → · Palette generator →