#EFFD67#EFFD67

#EFFD67 is a very light, vivid yellow. Relative luminance 0.896; OKLCH L 95.6% C 0.172 H 114.2°. Best body text is #000000 at 18.92:1 contrast (WCAG AA passes).

Color values

HEX	#EFFD67
RGB	rgb(239, 253, 103)
HSL	hsl(66, 97%, 70%)
HSV	hsv(66, 59%, 99%)
CMYK	cmyk(5.5%, 0%, 59.3%, 0.8%)
CIE-LAB	lab(95.82, -23.74, 68.30)
CIE-LCH	lch(95.82, 72.31, 109.17°)
OKLab	oklab(95.58% -0.0703 0.1567)
OKLCH	oklch(95.58% 0.172 114.2)
XYZ	xyz(73.1717, 89.5818, 26.2658)
Luminance	0.8958 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFD67 #7567FD

analogous

#FDC067 #EFFD67 #A4FD67

triadic

#EFFD67 #67EFFD #FD67EF

tetradic

#EFFD67 #67FDC0 #7567FD #FD67A4

square

#EFFD67 #67FDC0 #7567FD #FD67A4

split-complementary

#EFFD67 #67A4FD #C067FD

monochromatic

#D1E703 #E9FC2B #EFFD67 #F5FEA3 #FCFFE0

Accessibility & contrast

On white

1.11

#EFFD67 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.92

#EFFD67 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFD67

18.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFD67	#FFFFFF	#000000	##000000
##EFFD67	1.00	1.11	18.92	18.92
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.92	21.00	1.00	1.00
##000000	18.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF256

Deuteranopia (green-blind)

#FFF470

Tritanopia (blue-blind)

#FDEFDD

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #effd67;
/* rgb */ color: rgb(239, 253, 103);
/* oklch */ color: oklch(95.6% 0.172 114.2);

Tailwind

colors: {
  custom: {
    50: '#f7fe98',
    500: '#effd67',
    950: '#000000',
  },
}

SCSS

$custom: #effd67;
$custom-light: #f7fe98;
$custom-dark: #000000;

JSON

{
  "hex": "#effd67",
  "rgb": {
    "r": 239,
    "g": 253,
    "b": 103
  },
  "hsl": {
    "h": 65.6,
    "s": 97.403,
    "l": 69.804
  },
  "oklch": {
    "l": 0.9558,
    "c": 0.17178,
    "h": 114.2
  },
  "luminance": 0.89581
}

Semantic roles & 50–950 ramp

primary

#EFFD67

secondary

#4030D8

accent

#00E615

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFFD67

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

Preview Lab → · Contrast checker → · Palette generator →