#ECF38E#ECF38E

#ECF38E is a very light, vivid yellow. Relative luminance 0.839; OKLCH L 93.7% C 0.125 H 112.0°. Best body text is #000000 at 17.78:1 contrast (WCAG AA passes).

Color values

HEX	#ECF38E
RGB	rgb(236, 243, 142)
HSL	hsl(64, 81%, 75%)
HSV	hsv(64, 42%, 95%)
CMYK	cmyk(2.9%, 0%, 41.6%, 4.7%)
CIE-LAB	lab(93.40, -16.77, 47.80)
CIE-LCH	lch(93.40, 50.66, 109.33°)
OKLab	oklab(93.73% -0.0467 0.1156)
OKLCH	oklch(93.73% 0.125 112)
XYZ	xyz(71.5260, 83.8882, 38.0101)
Luminance	0.8389 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF38E #958EF3

analogous

#F3C78E #ECF38E #BAF38E

triadic

#ECF38E #8EECF3 #F38EEC

tetradic

#ECF38E #8EF3C7 #958EF3 #F38EBA

square

#ECF38E #8EF3C7 #958EF3 #F38EBA

split-complementary

#ECF38E #8EBAF3 #C78EF3

monochromatic

#D9E71F #E3ED57 #ECF38E #F5F9C5 #FAFCE3

Accessibility & contrast

On white

1.18

#ECF38E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.78

#ECF38E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF38E

17.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF38E	#FFFFFF	#000000	##000000
##ECF38E	1.00	1.18	17.78	17.78
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.78	21.00	1.00	1.00
##000000	17.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB86

Deuteranopia (green-blind)

#FFED93

Tritanopia (blue-blind)

#F8E8DB

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #ecf38e;
/* rgb */ color: rgb(236, 243, 142);
/* oklch */ color: oklch(93.7% 0.125 112.0);

Tailwind

colors: {
  custom: {
    50: '#f3f7b0',
    500: '#ecf38e',
    950: '#000000',
  },
}

SCSS

$custom: #ecf38e;
$custom-light: #f3f7b0;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf38e",
  "rgb": {
    "r": 236,
    "g": 243,
    "b": 142
  },
  "hsl": {
    "h": 64.158,
    "s": 80.8,
    "l": 75.49
  },
  "oklch": {
    "l": 0.93725,
    "c": 0.12473,
    "h": 112
  },
  "luminance": 0.83887
}

Semantic roles & 50–950 ramp

primary

#ECF38E

secondary

#5E55D0

accent

#08DD17

background

#FFFFFD

surface

#FEFEF7

border

#D6D6D0

text

#171711

muted

#858581

Preview Lab

Preview with #ECF38E

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

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