#ECF39E#ECF39E

#ECF39E is a very light, moderate yellow. Relative luminance 0.844; OKLCH L 94.0% C 0.107 H 112.3°. Best body text is #000000 at 17.88:1 contrast (WCAG AA passes).

Color values

HEX	#ECF39E
RGB	rgb(236, 243, 158)
HSL	hsl(65, 78%, 79%)
HSV	hsv(65, 35%, 95%)
CMYK	cmyk(2.9%, 0%, 35%, 4.7%)
CIE-LAB	lab(93.63, -15.02, 40.26)
CIE-LCH	lch(93.63, 42.97, 110.46°)
OKLab	oklab(93.98% -0.0406 0.0992)
OKLCH	oklch(93.98% 0.107 112.3)
XYZ	xyz(72.8147, 84.4036, 44.7968)
Luminance	0.8440 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF39E #A59EF3

analogous

#F3CF9E #ECF39E #C1F39E

triadic

#ECF39E #9EECF3 #F39EEC

tetradic

#ECF39E #9EF3CF #A59EF3 #F39EC1

square

#ECF39E #9EF3CF #A59EF3 #F39EC1

split-complementary

#ECF39E #9EC1F3 #CF9EF3

monochromatic

#D7E631 #E1EC68 #ECF39E #F7FAD4 #FAFCE4

Accessibility & contrast

On white

1.17

#ECF39E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.88

#ECF39E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF39E

17.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF39E	#FFFFFF	#000000	##000000
##ECF39E	1.00	1.17	17.88	17.88
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.88	21.00	1.00	1.00
##000000	17.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB98

Deuteranopia (green-blind)

#FFEEA2

Tritanopia (blue-blind)

#F6EADE

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #ecf39e;
/* rgb */ color: rgb(236, 243, 158);
/* oklch */ color: oklch(94.0% 0.107 112.3);

Tailwind

colors: {
  custom: {
    50: '#f3f7bb',
    500: '#ecf39e',
    950: '#000000',
  },
}

SCSS

$custom: #ecf39e;
$custom-light: #f3f7bb;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf39e",
  "rgb": {
    "r": 236,
    "g": 243,
    "b": 158
  },
  "hsl": {
    "h": 64.941,
    "s": 77.982,
    "l": 78.627
  },
  "oklch": {
    "l": 0.93976,
    "c": 0.10719,
    "h": 112.3
  },
  "luminance": 0.84403
}

Semantic roles & 50–950 ramp

primary

#ECF39E

secondary

#6D64D1

accent

#0BDA1C

background

#FFFFFD

surface

#FEFEF8

border

#D6D6D1

text

#171712

muted

#858582

Preview Lab

Preview with #ECF39E

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

Preview Lab → · Contrast checker → · Palette generator →