#ECEF65#ECEF65

#ECEF65 is a very light, vivid yellow. Relative luminance 0.805; OKLCH L 92.4% C 0.159 H 110.3°. Best body text is #000000 at 17.10:1 contrast (WCAG AA passes).

Color values

HEX	#ECEF65
RGB	rgb(236, 239, 101)
HSL	hsl(61, 81%, 67%)
HSV	hsv(61, 58%, 94%)
CMYK	cmyk(1.3%, 0%, 57.7%, 6.3%)
CIE-LAB	lab(91.91, -18.36, 64.78)
CIE-LCH	lch(91.91, 67.33, 105.83°)
OKLab	oklab(92.39% -0.0552 0.1491)
OKLCH	oklch(92.39% 0.159 110.3)
XYZ	xyz(67.8094, 80.5071, 24.2768)
Luminance	0.8051 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECEF65 #6865EF

analogous

#EFAD65 #ECEF65 #A7EF65

triadic

#ECEF65 #65ECEF #EF65EC

tetradic

#ECEF65 #65EFAD #6865EF #EF65A7

square

#ECEF65 #65EFAD #6865EF #EF65A7

split-complementary

#ECEF65 #65A7EF #AD65EF

monochromatic

#C1C514 #E5E92E #ECEF65 #F3F59C #FAFBD4

Accessibility & contrast

On white

1.23

#ECEF65 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.10

#ECEF65 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECEF65

17.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECEF65	#FFFFFF	#000000	##000000
##ECEF65	1.00	1.23	17.10	17.10
#FFFFFF	1.23	1.00	21.00	21.00
#000000	17.10	21.00	1.00	1.00
##000000	17.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE656

Deuteranopia (green-blind)

#FFEA6D

Tritanopia (blue-blind)

#FBE2D1

Achromatopsia (no color)

#E8E8E8

Design tokens & code

CSS

--color: #ecef65;
/* rgb */ color: rgb(236, 239, 101);
/* oklch */ color: oklch(92.4% 0.159 110.3);

Tailwind

colors: {
  custom: {
    50: '#f5f496',
    500: '#ecef65',
    950: '#000000',
  },
}

SCSS

$custom: #ecef65;
$custom-light: #f5f496;
$custom-dark: #000000;

JSON

{
  "hex": "#ecef65",
  "rgb": {
    "r": 236,
    "g": 239,
    "b": 101
  },
  "hsl": {
    "h": 61.304,
    "s": 81.176,
    "l": 66.667
  },
  "oklch": {
    "l": 0.92393,
    "c": 0.15896,
    "h": 110.3
  },
  "luminance": 0.80505
}

Semantic roles & 50–950 ramp

primary

#ECEF65

secondary

#3936C3

accent

#08DE0D

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECEF65

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

Preview Lab → · Contrast checker → · Palette generator →