#ECF15D#ECF15D

#ECF15D is a very light, vivid yellow. Relative luminance 0.815; OKLCH L 92.7% C 0.167 H 111.1°. Best body text is #000000 at 17.31:1 contrast (WCAG AA passes).

Color values

HEX	#ECF15D
RGB	rgb(236, 241, 93)
HSL	hsl(62, 84%, 65%)
HSV	hsv(62, 61%, 95%)
CMYK	cmyk(2.1%, 0%, 61.4%, 5.5%)
CIE-LAB	lab(92.37, -19.86, 68.59)
CIE-LCH	lch(92.37, 71.41, 106.15°)
OKLab	oklab(92.74% -0.0602 0.1561)
OKLCH	oklch(92.74% 0.167 111.1)
XYZ	xyz(68.0251, 81.5354, 22.5083)
Luminance	0.8153 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF15D #625DF1

analogous

#F1AC5D #ECF15D #A2F15D

triadic

#ECF15D #5DECF1 #F15DEC

tetradic

#ECF15D #5DF1AC #625DF1 #F15DA2

square

#ECF15D #5DF1AC #625DF1 #F15DA2

split-complementary

#ECF15D #5DA2F1 #AC5DF1

monochromatic

#BDC311 #E5EC25 #ECF15D #F3F695 #F9FBCE

Accessibility & contrast

On white

1.21

#ECF15D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.31

#ECF15D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF15D

17.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF15D	#FFFFFF	#000000	##000000
##ECF15D	1.00	1.21	17.31	17.31
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.31	21.00	1.00	1.00
##000000	17.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE74B

Deuteranopia (green-blind)

#FFEB66

Tritanopia (blue-blind)

#FBE3D2

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #ecf15d;
/* rgb */ color: rgb(236, 241, 93);
/* oklch */ color: oklch(92.7% 0.167 111.1);

Tailwind

colors: {
  custom: {
    50: '#f5f591',
    500: '#ecf15d',
    950: '#000000',
  },
}

SCSS

$custom: #ecf15d;
$custom-light: #f5f591;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf15d",
  "rgb": {
    "r": 236,
    "g": 241,
    "b": 93
  },
  "hsl": {
    "h": 62.027,
    "s": 84.091,
    "l": 65.49
  },
  "oklch": {
    "l": 0.92737,
    "c": 0.16733,
    "h": 111.1
  },
  "luminance": 0.81534
}

Semantic roles & 50–950 ramp

primary

#ECF15D

secondary

#3732C0

accent

#05E10C

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #ECF15D

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

Preview Lab → · Contrast checker → · Palette generator →