#ECFA5C#ECFA5C

#ECFA5C is a very light, vivid yellow. Relative luminance 0.870; OKLCH L 94.6% C 0.178 H 114.1°. Best body text is #000000 at 18.40:1 contrast (WCAG AA passes).

Color values

HEX	#ECFA5C
RGB	rgb(236, 250, 92)
HSL	hsl(65, 94%, 67%)
HSV	hsv(65, 63%, 98%)
CMYK	cmyk(5.6%, 0%, 63.2%, 2%)
CIE-LAB	lab(94.73, -24.22, 71.48)
CIE-LCH	lch(94.73, 75.47, 108.72°)
OKLab	oklab(94.62% -0.0726 0.1621)
OKLCH	oklch(94.62% 0.178 114.1)
XYZ	xyz(70.7112, 86.9781, 23.1866)
Luminance	0.8698 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFA5C #6A5CFA

analogous

#FAB95C #ECFA5C #9DFA5C

triadic

#ECFA5C #5CECFA #FA5CEC

tetradic

#ECFA5C #5CFAB9 #6A5CFA #FA5C9D

square

#ECFA5C #5CFAB9 #6A5CFA #FA5C9D

split-complementary

#ECFA5C #5C9DFA #B95CFA

monochromatic

#C3D507 #E5F821 #ECFA5C #F3FC97 #FAFED3

Accessibility & contrast

On white

1.14

#ECFA5C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.40

#ECFA5C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFA5C

18.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFA5C	#FFFFFF	#000000	##000000
##ECFA5C	1.00	1.14	18.40	18.40
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.40	21.00	1.00	1.00
##000000	18.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE47

Deuteranopia (green-blind)

#FFF167

Tritanopia (blue-blind)

#FBECD9

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #ecfa5c;
/* rgb */ color: rgb(236, 250, 92);
/* oklch */ color: oklch(94.6% 0.178 114.1);

Tailwind

colors: {
  custom: {
    50: '#f5fb91',
    500: '#ecfa5c',
    950: '#000000',
  },
}

SCSS

$custom: #ecfa5c;
$custom-light: #f5fb91;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfa5c",
  "rgb": {
    "r": 236,
    "g": 250,
    "b": 92
  },
  "hsl": {
    "h": 65.316,
    "s": 94.048,
    "l": 67.059
  },
  "oklch": {
    "l": 0.94622,
    "c": 0.17758,
    "h": 114.1
  },
  "luminance": 0.86977
}

Semantic roles & 50–950 ramp

primary

#ECFA5C

secondary

#392BCF

accent

#00E614

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #ECFA5C

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

Preview Lab → · Contrast checker → · Palette generator →