#ECF45E#ECF45E

#ECF45E is a very light, vivid yellow. Relative luminance 0.833; OKLCH L 93.4% C 0.170 H 112.2°. Best body text is #000000 at 17.67:1 contrast (WCAG AA passes).

Color values

HEX	#ECF45E
RGB	rgb(236, 244, 94)
HSL	hsl(63, 87%, 66%)
HSV	hsv(63, 61%, 96%)
CMYK	cmyk(3.3%, 0%, 61.5%, 4.3%)
CIE-LAB	lab(93.16, -21.24, 69.03)
CIE-LCH	lch(93.16, 72.23, 107.10°)
OKLab	oklab(93.38% -0.064 0.1572)
OKLCH	oklch(93.38% 0.17 112.2)
XYZ	xyz(68.9650, 83.3439, 23.0415)
Luminance	0.8334 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF45E #665EF4

analogous

#F4B15E #ECF45E #A1F45E

triadic

#ECF45E #5EECF4 #F45EEC

tetradic

#ECF45E #5EF4B1 #665EF4 #F45EA1

square

#ECF45E #5EF4B1 #665EF4 #F45EA1

split-complementary

#ECF45E #5EA1F4 #B15EF4

monochromatic

#C0CA0E #E5F025 #ECF45E #F3F897 #FAFCD1

Accessibility & contrast

On white

1.19

#ECF45E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.67

#ECF45E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF45E

17.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF45E	#FFFFFF	#000000	##000000
##ECF45E	1.00	1.19	17.67	17.67
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.67	21.00	1.00	1.00
##000000	17.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE94B

Deuteranopia (green-blind)

#FFED68

Tritanopia (blue-blind)

#FBE6D5

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #ecf45e;
/* rgb */ color: rgb(236, 244, 94);
/* oklch */ color: oklch(93.4% 0.170 112.2);

Tailwind

colors: {
  custom: {
    50: '#f5f792',
    500: '#ecf45e',
    950: '#000000',
  },
}

SCSS

$custom: #ecf45e;
$custom-light: #f5f792;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf45e",
  "rgb": {
    "r": 236,
    "g": 244,
    "b": 94
  },
  "hsl": {
    "h": 63.2,
    "s": 87.209,
    "l": 66.275
  },
  "oklch": {
    "l": 0.93375,
    "c": 0.16972,
    "h": 112.2
  },
  "luminance": 0.83342
}

Semantic roles & 50–950 ramp

primary

#ECF45E

secondary

#3830C6

accent

#02E40E

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #ECF45E

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

Preview Lab → · Contrast checker → · Palette generator →