#EFFC67#EFFC67

#EFFC67 is a very light, vivid yellow. Relative luminance 0.890; OKLCH L 95.4% C 0.171 H 113.8°. Best body text is #000000 at 18.79:1 contrast (WCAG AA passes).

Color values

HEX	#EFFC67
RGB	rgb(239, 252, 103)
HSL	hsl(65, 96%, 70%)
HSV	hsv(65, 59%, 99%)
CMYK	cmyk(5.2%, 0%, 59.1%, 1.2%)
CIE-LAB	lab(95.56, -23.27, 68.01)
CIE-LCH	lch(95.56, 71.88, 108.89°)
OKLab	oklab(95.37% -0.069 0.1561)
OKLCH	oklch(95.37% 0.171 113.8)
XYZ	xyz(72.8569, 88.9521, 26.1608)
Luminance	0.8895 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFC67 #7467FC

analogous

#FCBF67 #EFFC67 #A5FC67

triadic

#EFFC67 #67EFFC #FC67EF

tetradic

#EFFC67 #67FCBF #7467FC #FC67A5

square

#EFFC67 #67FCBF #7467FC #FC67A5

split-complementary

#EFFC67 #67A5FC #BF67FC

monochromatic

#D1E405 #E9FB2B #EFFC67 #F5FDA3 #FCFEDF

Accessibility & contrast

On white

1.12

#EFFC67 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.79

#EFFC67 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFC67

18.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFC67	#FFFFFF	#000000	##000000
##EFFC67	1.00	1.12	18.79	18.79
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.79	21.00	1.00	1.00
##000000	18.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF156

Deuteranopia (green-blind)

#FFF470

Tritanopia (blue-blind)

#FDEEDC

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #effc67;
/* rgb */ color: rgb(239, 252, 103);
/* oklch */ color: oklch(95.4% 0.171 113.8);

Tailwind

colors: {
  custom: {
    50: '#f7fd98',
    500: '#effc67',
    950: '#000000',
  },
}

SCSS

$custom: #effc67;
$custom-light: #f7fd98;
$custom-dark: #000000;

JSON

{
  "hex": "#effc67",
  "rgb": {
    "r": 239,
    "g": 252,
    "b": 103
  },
  "hsl": {
    "h": 65.235,
    "s": 96.129,
    "l": 69.608
  },
  "oklch": {
    "l": 0.95369,
    "c": 0.17069,
    "h": 113.8
  },
  "luminance": 0.88951
}

Semantic roles & 50–950 ramp

primary

#EFFC67

secondary

#3F31D7

accent

#00E614

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFFC67

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

Preview Lab → · Contrast checker → · Palette generator →