#EFCF61#EFCF61

#EFCF61 is a very light, vivid yellow. Relative luminance 0.638; OKLCH L 86.1% C 0.134 H 93.2°. Best body text is #000000 at 13.77:1 contrast (WCAG AA passes).

Color values

HEX	#EFCF61
RGB	rgb(239, 207, 97)
HSL	hsl(46, 82%, 66%)
HSV	hsv(46, 59%, 94%)
CMYK	cmyk(0%, 13.4%, 59.4%, 6.3%)
CIE-LAB	lab(83.88, -1.45, 57.65)
CIE-LCH	lch(83.88, 57.67, 91.44°)
OKLab	oklab(86.07% -0.0074 0.1333)
OKLCH	oklch(86.07% 0.134 93.2)
XYZ	xyz(60.0697, 63.8424, 20.4657)
Luminance	0.6384 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFCF61 #6181EF

analogous

#EF8861 #EFCF61 #C8EF61

triadic

#EFCF61 #61EFCF #CF61EF

tetradic

#EFCF61 #61EF88 #6181EF #EF61C8

square

#EFCF61 #61EF88 #6181EF #EF61C8

split-complementary

#EFCF61 #61C8EF #8861EF

monochromatic

#C29B14 #E9BE29 #EFCF61 #F5E099 #FAF1D0

Accessibility & contrast

On white

1.53

#EFCF61 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.77

#EFCF61 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFCF61

13.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFCF61	#FFFFFF	#000000	##000000
##EFCF61	1.00	1.53	13.77	13.77
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.77	21.00	1.00	1.00
##000000	13.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2CC56

Deuteranopia (green-blind)

#EBD566

Tritanopia (blue-blind)

#FFC1B7

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #efcf61;
/* rgb */ color: rgb(239, 207, 97);
/* oklch */ color: oklch(86.1% 0.134 93.2);

Tailwind

colors: {
  custom: {
    50: '#f7dd91',
    500: '#efcf61',
    950: '#000000',
  },
}

SCSS

$custom: #efcf61;
$custom-light: #f7dd91;
$custom-dark: #000000;

JSON

{
  "hex": "#efcf61",
  "rgb": {
    "r": 239,
    "g": 207,
    "b": 97
  },
  "hsl": {
    "h": 46.479,
    "s": 81.609,
    "l": 65.882
  },
  "oklch": {
    "l": 0.86065,
    "c": 0.13351,
    "h": 93.2
  },
  "luminance": 0.63839
}

Semantic roles & 50–950 ramp

primary

#EFCF61

secondary

#3454C0

accent

#38DE08

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18150D

muted

#86847F

Preview Lab

Preview with #EFCF61

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

Preview Lab → · Contrast checker → · Palette generator →