#ECEF61#ECEF61

#ECEF61 is a very light, vivid yellow. Relative luminance 0.804; OKLCH L 92.4% C 0.162 H 110.3°. Best body text is #000000 at 17.09:1 contrast (WCAG AA passes).

Color values

HEX	#ECEF61
RGB	rgb(236, 239, 97)
HSL	hsl(61, 82%, 66%)
HSV	hsv(61, 59%, 94%)
CMYK	cmyk(1.3%, 0%, 59.4%, 6.3%)
CIE-LAB	lab(91.88, -18.64, 66.42)
CIE-LCH	lch(91.88, 68.99, 105.67°)
OKLab	oklab(92.35% -0.0563 0.1521)
OKLCH	oklch(92.35% 0.162 110.3)
XYZ	xyz(67.6182, 80.4306, 23.2697)
Luminance	0.8043 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECEF61 #6461EF

analogous

#EFAB61 #ECEF61 #A5EF61

triadic

#ECEF61 #61ECEF #EF61EC

tetradic

#ECEF61 #61EFAB #6461EF #EF61A5

square

#ECEF61 #61EFAB #6461EF #EF61A5

split-complementary

#ECEF61 #61A5EF #AB61EF

monochromatic

#BEC214 #E5E929 #ECEF61 #F3F599 #F9FAD0

Accessibility & contrast

On white

1.23

#ECEF61 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.09

#ECEF61 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECEF61

17.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECEF61	#FFFFFF	#000000	##000000
##ECEF61	1.00	1.23	17.09	17.09
#FFFFFF	1.23	1.00	21.00	21.00
#000000	17.09	21.00	1.00	1.00
##000000	17.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE550

Deuteranopia (green-blind)

#FFEA6A

Tritanopia (blue-blind)

#FBE1D1

Achromatopsia (no color)

#E8E8E8

Design tokens & code

CSS

--color: #ecef61;
/* rgb */ color: rgb(236, 239, 97);
/* oklch */ color: oklch(92.4% 0.162 110.3);

Tailwind

colors: {
  custom: {
    50: '#f5f493',
    500: '#ecef61',
    950: '#000000',
  },
}

SCSS

$custom: #ecef61;
$custom-light: #f5f493;
$custom-dark: #000000;

JSON

{
  "hex": "#ecef61",
  "rgb": {
    "r": 236,
    "g": 239,
    "b": 97
  },
  "hsl": {
    "h": 61.268,
    "s": 81.609,
    "l": 65.882
  },
  "oklch": {
    "l": 0.92354,
    "c": 0.16216,
    "h": 110.3
  },
  "luminance": 0.80429
}

Semantic roles & 50–950 ramp

primary

#ECEF61

secondary

#3734C0

accent

#08DE0C

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170D

muted

#85857F

Preview Lab

Preview with #ECEF61

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

Preview Lab → · Contrast checker → · Palette generator →