#ECEF20#ECEF20

#ECEF20 is a very light, vivid yellow. Relative luminance 0.797; OKLCH L 92.0% C 0.196 H 110.6°. Best body text is #000000 at 16.93:1 contrast (WCAG AA passes).

Color values

HEX	#ECEF20
RGB	rgb(236, 239, 32)
HSL	hsl(61, 87%, 53%)
HSV	hsv(61, 87%, 94%)
CMYK	cmyk(1.3%, 0%, 86.6%, 6.3%)
CIE-LAB	lab(91.54, -21.38, 86.22)
CIE-LCH	lch(91.54, 88.83, 103.93°)
OKLab	oklab(91.97% -0.0693 0.1839)
OKLCH	oklch(91.97% 0.196 110.6)
XYZ	xyz(65.7219, 79.6721, 13.2825)
Luminance	0.7967 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECEF20 #2320EF

analogous

#EF8B20 #ECEF20 #84EF20

triadic

#ECEF20 #20ECEF #EF20EC

tetradic

#ECEF20 #20EF8B #2320EF #EF2084

square

#ECEF20 #20EF8B #2320EF #EF2084

split-complementary

#ECEF20 #2084EF #8B20EF

monochromatic

#898B0A #C1C40E #ECEF20 #F1F359 #F6F792

Accessibility & contrast

On white

1.24

#ECEF20 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.93

#ECEF20 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECEF20

16.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECEF20	#FFFFFF	#000000	##000000
##ECEF20	1.00	1.24	16.93	16.93
#FFFFFF	1.24	1.00	21.00	21.00
#000000	16.93	21.00	1.00	1.00
##000000	16.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE400

Deuteranopia (green-blind)

#FFE939

Tritanopia (blue-blind)

#FDDFCC

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #ecef20;
/* rgb */ color: rgb(236, 239, 32);
/* oklch */ color: oklch(92.0% 0.196 110.6);

Tailwind

colors: {
  custom: {
    50: '#f7f375',
    500: '#ecef20',
    950: '#000000',
  },
}

SCSS

$custom: #ecef20;
$custom-light: #f7f375;
$custom-dark: #000000;

JSON

{
  "hex": "#ecef20",
  "rgb": {
    "r": 236,
    "g": 239,
    "b": 32
  },
  "hsl": {
    "h": 60.87,
    "s": 86.611,
    "l": 53.137
  },
  "oklch": {
    "l": 0.91974,
    "c": 0.19649,
    "h": 110.6
  },
  "luminance": 0.7967
}

Semantic roles & 50–950 ramp

primary

#ECEF20

secondary

#252390

accent

#2BFD2E

background

#FFFFFB

surface

#FFFEF2

border

#D7D6CC

text

#18170A

muted

#86857D

Preview Lab

Preview with #ECEF20

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

Preview Lab → · Contrast checker → · Palette generator →