#ECF392#ECF392

#ECF392 is a very light, vivid yellow. Relative luminance 0.840; OKLCH L 93.8% C 0.120 H 112.1°. Best body text is #000000 at 17.80:1 contrast (WCAG AA passes).

Color values

HEX	#ECF392
RGB	rgb(236, 243, 146)
HSL	hsl(64, 80%, 76%)
HSV	hsv(64, 40%, 95%)
CMYK	cmyk(2.9%, 0%, 39.9%, 4.7%)
CIE-LAB	lab(93.46, -16.35, 45.93)
CIE-LCH	lch(93.46, 48.75, 109.60°)
OKLab	oklab(93.79% -0.0452 0.1116)
OKLCH	oklch(93.79% 0.12 112.1)
XYZ	xyz(71.8318, 84.0105, 39.6202)
Luminance	0.8401 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF392 #9992F3

analogous

#F3CA92 #ECF392 #BCF392

triadic

#ECF392 #92ECF3 #F392EC

tetradic

#ECF392 #92F3CA #9992F3 #F392BC

square

#ECF392 #92F3CA #9992F3 #F392BC

split-complementary

#ECF392 #92BCF3 #CA92F3

monochromatic

#D9E724 #E2ED5B #ECF392 #F6F9C9 #FAFCE3

Accessibility & contrast

On white

1.18

#ECF392 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.80

#ECF392 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF392

17.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF392	#FFFFFF	#000000	##000000
##ECF392	1.00	1.18	17.80	17.80
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.80	21.00	1.00	1.00
##000000	17.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB8A

Deuteranopia (green-blind)

#FFEE96

Tritanopia (blue-blind)

#F7E9DB

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #ecf392;
/* rgb */ color: rgb(236, 243, 146);
/* oklch */ color: oklch(93.8% 0.120 112.1);

Tailwind

colors: {
  custom: {
    50: '#f3f7b3',
    500: '#ecf392',
    950: '#000000',
  },
}

SCSS

$custom: #ecf392;
$custom-light: #f3f7b3;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf392",
  "rgb": {
    "r": 236,
    "g": 243,
    "b": 146
  },
  "hsl": {
    "h": 64.33,
    "s": 80.165,
    "l": 76.275
  },
  "oklch": {
    "l": 0.93785,
    "c": 0.12045,
    "h": 112.1
  },
  "luminance": 0.84009
}

Semantic roles & 50–950 ramp

primary

#ECF392

secondary

#6259D0

accent

#09DC18

background

#FFFFFD

surface

#FEFEF8

border

#D6D6D1

text

#171711

muted

#858581

Preview Lab

Preview with #ECF392

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

Preview Lab → · Contrast checker → · Palette generator →