#ECF67C#ECF67C

#ECF67C is a very light, vivid yellow. Relative luminance 0.852; OKLCH L 94.1% C 0.146 H 113.1°. Best body text is #000000 at 18.04:1 contrast (WCAG AA passes).

Color values

HEX	#ECF67C
RGB	rgb(236, 246, 124)
HSL	hsl(65, 87%, 73%)
HSV	hsv(65, 50%, 96%)
CMYK	cmyk(4.1%, 0%, 49.6%, 3.5%)
CIE-LAB	lab(93.97, -19.93, 56.96)
CIE-LCH	lch(93.97, 60.35, 109.29°)
OKLab	oklab(94.11% -0.0573 0.1347)
OKLCH	oklch(94.11% 0.146 113.1)
XYZ	xyz(71.1872, 85.2008, 31.7602)
Luminance	0.8520 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF67C #867CF6

analogous

#F6C37C #ECF67C #AFF67C

triadic

#ECF67C #7CECF6 #F67CEC

tetradic

#ECF67C #7CF6C3 #867CF6 #F67CAF

square

#ECF67C #7CF6C3 #867CF6 #F67CAF

split-complementary

#ECF67C #7CAFF6 #C37CF6

monochromatic

#D6E810 #E4F243 #ECF67C #F4FAB5 #FBFDE2

Accessibility & contrast

On white

1.16

#ECF67C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.04

#ECF67C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF67C

18.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF67C	#FFFFFF	#000000	##000000
##ECF67C	1.00	1.16	18.04	18.04
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.04	21.00	1.00	1.00
##000000	18.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC71

Deuteranopia (green-blind)

#FFEF82

Tritanopia (blue-blind)

#F9EADA

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #ecf67c;
/* rgb */ color: rgb(236, 246, 124);
/* oklch */ color: oklch(94.1% 0.146 113.1);

Tailwind

colors: {
  custom: {
    50: '#f4f9a5',
    500: '#ecf67c',
    950: '#000000',
  },
}

SCSS

$custom: #ecf67c;
$custom-light: #f4f9a5;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf67c",
  "rgb": {
    "r": 236,
    "g": 246,
    "b": 124
  },
  "hsl": {
    "h": 64.918,
    "s": 87.143,
    "l": 72.549
  },
  "oklch": {
    "l": 0.94108,
    "c": 0.14634,
    "h": 113.1
  },
  "luminance": 0.852
}

Semantic roles & 50–950 ramp

primary

#ECF67C

secondary

#5044D2

accent

#02E414

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17170F

muted

#858580

Preview Lab

Preview with #ECF67C

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

Preview Lab → · Contrast checker → · Palette generator →