#ECF59E#ECF59E

#ECF59E is a very light, moderate yellow. Relative luminance 0.856; OKLCH L 94.4% C 0.110 H 113.3°. Best body text is #000000 at 18.12:1 contrast (WCAG AA passes).

Color values

HEX	#ECF59E
RGB	rgb(236, 245, 158)
HSL	hsl(66, 81%, 79%)
HSV	hsv(66, 36%, 96%)
CMYK	cmyk(3.7%, 0%, 35.5%, 3.9%)
CIE-LAB	lab(94.14, -16.00, 40.93)
CIE-LCH	lch(94.14, 43.95, 111.35°)
OKLab	oklab(94.39% -0.0434 0.1007)
OKLCH	oklch(94.39% 0.11 113.3)
XYZ	xyz(73.4164, 85.6072, 44.9974)
Luminance	0.8561 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF59E #A79EF5

analogous

#F5D39E #ECF59E #C1F59E

triadic

#ECF59E #9EECF5 #F59EEC

tetradic

#ECF59E #9EF5D3 #A79EF5 #F59EC1

square

#ECF59E #9EF5D3 #A79EF5 #F59EC1

split-complementary

#ECF59E #9EC1F5 #D39EF5

monochromatic

#D6EA2F #E1EF67 #ECF59E #F7FBD5 #FAFCE3

Accessibility & contrast

On white

1.16

#ECF59E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.12

#ECF59E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF59E

18.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF59E	#FFFFFF	#000000	##000000
##ECF59E	1.00	1.16	18.12	18.12
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.12	21.00	1.00	1.00
##000000	18.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED98

Deuteranopia (green-blind)

#FFEFA2

Tritanopia (blue-blind)

#F6EBDF

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #ecf59e;
/* rgb */ color: rgb(236, 245, 158);
/* oklch */ color: oklch(94.4% 0.110 113.3);

Tailwind

colors: {
  custom: {
    50: '#f3f8bb',
    500: '#ecf59e',
    950: '#000000',
  },
}

SCSS

$custom: #ecf59e;
$custom-light: #f3f8bb;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf59e",
  "rgb": {
    "r": 236,
    "g": 245,
    "b": 158
  },
  "hsl": {
    "h": 66.207,
    "s": 81.308,
    "l": 79.02
  },
  "oklch": {
    "l": 0.94389,
    "c": 0.1097,
    "h": 113.3
  },
  "luminance": 0.85606
}

Semantic roles & 50–950 ramp

primary

#ECF59E

secondary

#6F63D4

accent

#08DE1E

background

#FFFFFD

surface

#FEFEF8

border

#D6D6D1

text

#171712

muted

#858582

Preview Lab

Preview with #ECF59E

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

Preview Lab → · Contrast checker → · Palette generator →