#FFEC57#FFEC57

#FFEC57 is a very light, vivid yellow. Relative luminance 0.819; OKLCH L 93.2% C 0.165 H 102.0°. Best body text is #000000 at 17.39:1 contrast (WCAG AA passes).

Color values

HEX	#FFEC57
RGB	rgb(255, 236, 87)
HSL	hsl(53, 100%, 67%)
HSV	hsv(53, 66%, 100%)
CMYK	cmyk(0%, 7.5%, 65.9%, 0%)
CIE-LAB	lab(92.55, -10.08, 71.62)
CIE-LCH	lch(92.55, 72.33, 98.01°)
OKLab	oklab(93.23% -0.0342 0.1611)
OKLCH	oklch(93.23% 0.165 102)
XYZ	xyz(72.9588, 81.9421, 20.9883)
Luminance	0.8194 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFEC57 #576AFF

analogous

#FF9857 #FFEC57 #BEFF57

triadic

#FFEC57 #57FFEC #EC57FF

tetradic

#FFEC57 #57FF98 #576AFF #FF57BE

square

#FFEC57 #57FF98 #576AFF #FF57BE

split-complementary

#FFEC57 #57BEFF #9857FF

monochromatic

#DCC300 #FFE51A #FFEC57 #FFF394 #FFFAD1

Accessibility & contrast

On white

1.21

#FFEC57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.39

#FFEC57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFEC57

17.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFEC57	#FFFFFF	#000000	##000000
##FFEC57	1.00	1.21	17.39	17.39
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.39	21.00	1.00	1.00
##000000	17.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE543

Deuteranopia (green-blind)

#FFED60

Tritanopia (blue-blind)

#FFDCCD

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #ffec57;
/* rgb */ color: rgb(255, 236, 87);
/* oklch */ color: oklch(93.2% 0.165 102.0);

Tailwind

colors: {
  custom: {
    50: '#fff18e',
    500: '#ffec57',
    950: '#000000',
  },
}

SCSS

$custom: #ffec57;
$custom-light: #fff18e;
$custom-dark: #000000;

JSON

{
  "hex": "#ffec57",
  "rgb": {
    "r": 255,
    "g": 236,
    "b": 87
  },
  "hsl": {
    "h": 53.214,
    "s": 100,
    "l": 67.059
  },
  "oklch": {
    "l": 0.93232,
    "c": 0.16474,
    "h": 102
  },
  "luminance": 0.81939
}

Semantic roles & 50–950 ramp

primary

#FFEC57

secondary

#2639D5

accent

#1AE600

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#19160D

muted

#87857F

Preview Lab

Preview with #FFEC57

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

Preview Lab → · Contrast checker → · Palette generator →