#EECF51#EECF51

#EECF51 is a very light, vivid yellow. Relative luminance 0.634; OKLCH L 85.8% C 0.146 H 95.2°. Best body text is #000000 at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#EECF51
RGB	rgb(238, 207, 81)
HSL	hsl(48, 82%, 63%)
HSV	hsv(48, 66%, 93%)
CMYK	cmyk(0%, 13%, 66%, 6.7%)
CIE-LAB	lab(83.65, -2.87, 64.31)
CIE-LCH	lch(83.65, 64.38, 92.55°)
OKLab	oklab(85.82% -0.0133 0.1453)
OKLCH	oklch(85.82% 0.146 95.2)
XYZ	xyz(59.0607, 63.3999, 16.9095)
Luminance	0.6340 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EECF51 #5170EE

analogous

#EE8151 #EECF51 #BEEE51

triadic

#EECF51 #51EECF #CF51EE

tetradic

#EECF51 #51EE81 #5170EE #EE51BE

square

#EECF51 #51EE81 #5170EE #EE51BE

split-complementary

#EECF51 #51BEEE #8151EE

monochromatic

#B39311 #E9C019 #EECF51 #F3DE89 #F9EEC1

Accessibility & contrast

On white

1.54

#EECF51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.68

#EECF51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EECF51

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EECF51	#FFFFFF	#000000	##000000
##EECF51	1.00	1.54	13.68	13.68
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.68	21.00	1.00	1.00
##000000	13.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3CB41

Deuteranopia (green-blind)

#EBD557

Tritanopia (blue-blind)

#FFC0B5

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #eecf51;
/* rgb */ color: rgb(238, 207, 81);
/* oklch */ color: oklch(85.8% 0.146 95.2);

Tailwind

colors: {
  custom: {
    50: '#f7dd88',
    500: '#eecf51',
    950: '#000000',
  },
}

SCSS

$custom: #eecf51;
$custom-light: #f7dd88;
$custom-dark: #000000;

JSON

{
  "hex": "#eecf51",
  "rgb": {
    "r": 238,
    "g": 207,
    "b": 81
  },
  "hsl": {
    "h": 48.153,
    "s": 82.199,
    "l": 62.549
  },
  "oklch": {
    "l": 0.85815,
    "c": 0.14587,
    "h": 95.2
  },
  "luminance": 0.63397
}

Semantic roles & 50–950 ramp

primary

#EECF51

secondary

#304AB3

accent

#31DF07

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18150C

muted

#86847F

Preview Lab

Preview with #EECF51

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

Preview Lab → · Contrast checker → · Palette generator →