#ECF25D#ECF25D

#ECF25D is a very light, vivid yellow. Relative luminance 0.821; OKLCH L 92.9% C 0.168 H 111.4°. Best body text is #000000 at 17.43:1 contrast (WCAG AA passes).

Color values

HEX	#ECF25D
RGB	rgb(236, 242, 93)
HSL	hsl(62, 85%, 66%)
HSV	hsv(62, 62%, 95%)
CMYK	cmyk(2.5%, 0%, 61.6%, 5.1%)
CIE-LAB	lab(92.63, -20.34, 68.87)
CIE-LCH	lch(92.63, 71.81, 106.46°)
OKLab	oklab(92.95% -0.0616 0.1567)
OKLCH	oklch(92.95% 0.168 111.4)
XYZ	xyz(68.3219, 82.1290, 22.6073)
Luminance	0.8213 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF25D #635DF2

analogous

#F2AD5D #ECF25D #A1F25D

triadic

#ECF25D #5DECF2 #F25DEC

tetradic

#ECF25D #5DF2AD #635DF2 #F25DA1

square

#ECF25D #5DF2AD #635DF2 #F25DA1

split-complementary

#ECF25D #5DA1F2 #AD5DF2

monochromatic

#BEC510 #E5ED24 #ECF25D #F3F796 #F9FBCE

Accessibility & contrast

On white

1.21

#ECF25D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.43

#ECF25D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF25D

17.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF25D	#FFFFFF	#000000	##000000
##ECF25D	1.00	1.21	17.43	17.43
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.43	21.00	1.00	1.00
##000000	17.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE84A

Deuteranopia (green-blind)

#FFEC67

Tritanopia (blue-blind)

#FBE4D3

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #ecf25d;
/* rgb */ color: rgb(236, 242, 93);
/* oklch */ color: oklch(92.9% 0.168 111.4);

Tailwind

colors: {
  custom: {
    50: '#f5f691',
    500: '#ecf25d',
    950: '#000000',
  },
}

SCSS

$custom: #ecf25d;
$custom-light: #f5f691;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf25d",
  "rgb": {
    "r": 236,
    "g": 242,
    "b": 93
  },
  "hsl": {
    "h": 62.416,
    "s": 85.143,
    "l": 65.686
  },
  "oklch": {
    "l": 0.92946,
    "c": 0.16837,
    "h": 111.4
  },
  "luminance": 0.82127
}

Semantic roles & 50–950 ramp

primary

#ECF25D

secondary

#3731C2

accent

#04E20D

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #ECF25D

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

Preview Lab → · Contrast checker → · Palette generator →