#ECF65D#ECF65D

#ECF65D is a very light, vivid yellow. Relative luminance 0.845; OKLCH L 93.8% C 0.173 H 112.8°. Best body text is #000000 at 17.91:1 contrast (WCAG AA passes).

Color values

HEX	#ECF65D
RGB	rgb(236, 246, 93)
HSL	hsl(64, 89%, 66%)
HSV	hsv(64, 62%, 96%)
CMYK	cmyk(4.1%, 0%, 62.2%, 3.5%)
CIE-LAB	lab(93.68, -22.26, 69.98)
CIE-LCH	lch(93.68, 73.44, 107.64°)
OKLab	oklab(93.79% -0.0669 0.1591)
OKLCH	oklch(93.79% 0.173 112.8)
XYZ	xyz(69.5255, 84.5362, 23.0084)
Luminance	0.8454 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF65D #675DF6

analogous

#F6B45D #ECF65D #A0F65D

triadic

#ECF65D #5DECF6 #F65DEC

tetradic

#ECF65D #5DF6B4 #675DF6 #F65DA0

square

#ECF65D #5DF6B4 #675DF6 #F65DA0

split-complementary

#ECF65D #5DA0F6 #B45DF6

monochromatic

#C1CD0B #E5F323 #ECF65D #F3F997 #FAFCD1

Accessibility & contrast

On white

1.17

#ECF65D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.91

#ECF65D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF65D

17.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF65D	#FFFFFF	#000000	##000000
##ECF65D	1.00	1.17	17.91	17.91
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.91	21.00	1.00	1.00
##000000	17.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB4A

Deuteranopia (green-blind)

#FFEF67

Tritanopia (blue-blind)

#FBE8D6

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #ecf65d;
/* rgb */ color: rgb(236, 246, 93);
/* oklch */ color: oklch(93.8% 0.173 112.8);

Tailwind

colors: {
  custom: {
    50: '#f5f991',
    500: '#ecf65d',
    950: '#000000',
  },
}

SCSS

$custom: #ecf65d;
$custom-light: #f5f991;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf65d",
  "rgb": {
    "r": 236,
    "g": 246,
    "b": 93
  },
  "hsl": {
    "h": 63.922,
    "s": 89.474,
    "l": 66.471
  },
  "oklch": {
    "l": 0.93787,
    "c": 0.17258,
    "h": 112.8
  },
  "luminance": 0.84535
}

Semantic roles & 50–950 ramp

primary

#ECF65D

secondary

#382EC9

accent

#00E60F

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #ECF65D

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

Preview Lab → · Contrast checker → · Palette generator →