#ECF38D#ECF38D

#ECF38D is a very light, vivid yellow. Relative luminance 0.839; OKLCH L 93.7% C 0.126 H 112.0°. Best body text is #000000 at 17.77:1 contrast (WCAG AA passes).

Color values

HEX	#ECF38D
RGB	rgb(236, 243, 141)
HSL	hsl(64, 81%, 75%)
HSV	hsv(64, 42%, 95%)
CMYK	cmyk(2.9%, 0%, 42%, 4.7%)
CIE-LAB	lab(93.39, -16.87, 48.27)
CIE-LCH	lch(93.39, 51.13, 109.27°)
OKLab	oklab(93.71% -0.0471 0.1166)
OKLCH	oklch(93.71% 0.126 112)
XYZ	xyz(71.4513, 83.8583, 37.6164)
Luminance	0.8386 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF38D #948DF3

analogous

#F3C78D #ECF38D #B9F38D

triadic

#ECF38D #8DECF3 #F38DEC

tetradic

#ECF38D #8DF3C7 #948DF3 #F38DB9

square

#ECF38D #8DF3C7 #948DF3 #F38DB9

split-complementary

#ECF38D #8DB9F3 #C78DF3

monochromatic

#DAE71E #E3ED56 #ECF38D #F5F9C4 #FAFCE3

Accessibility & contrast

On white

1.18

#ECF38D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.77

#ECF38D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF38D

17.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF38D	#FFFFFF	#000000	##000000
##ECF38D	1.00	1.18	17.77	17.77
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.77	21.00	1.00	1.00
##000000	17.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB85

Deuteranopia (green-blind)

#FFED92

Tritanopia (blue-blind)

#F8E8DA

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #ecf38d;
/* rgb */ color: rgb(236, 243, 141);
/* oklch */ color: oklch(93.7% 0.126 112.0);

Tailwind

colors: {
  custom: {
    50: '#f3f7b0',
    500: '#ecf38d',
    950: '#000000',
  },
}

SCSS

$custom: #ecf38d;
$custom-light: #f3f7b0;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf38d",
  "rgb": {
    "r": 236,
    "g": 243,
    "b": 141
  },
  "hsl": {
    "h": 64.118,
    "s": 80.952,
    "l": 75.294
  },
  "oklch": {
    "l": 0.93711,
    "c": 0.12578,
    "h": 112
  },
  "luminance": 0.83857
}

Semantic roles & 50–950 ramp

primary

#ECF38D

secondary

#5D54D0

accent

#08DD17

background

#FFFFFD

surface

#FEFEF7

border

#D6D6D0

text

#171711

muted

#858581

Preview Lab

Preview with #ECF38D

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

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