#EFFE67#EFFE67

#EFFE67 is a very light, vivid yellow. Relative luminance 0.902; OKLCH L 95.8% C 0.173 H 114.5°. Best body text is #000000 at 19.04:1 contrast (WCAG AA passes).

Color values

HEX	#EFFE67
RGB	rgb(239, 254, 103)
HSL	hsl(66, 99%, 70%)
HSV	hsv(66, 59%, 100%)
CMYK	cmyk(5.9%, 0%, 59.4%, 0.4%)
CIE-LAB	lab(96.09, -24.22, 68.58)
CIE-LCH	lch(96.09, 72.73, 109.45°)
OKLab	oklab(95.79% -0.0716 0.1574)
OKLCH	oklch(95.79% 0.173 114.5)
XYZ	xyz(73.4882, 90.2148, 26.3713)
Luminance	0.9021 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFE67 #7667FE

analogous

#FEC167 #EFFE67 #A4FE67

triadic

#EFFE67 #67EFFE #FE67EF

tetradic

#EFFE67 #67FEC1 #7667FE #FE67A4

square

#EFFE67 #67FEC1 #7667FE #FE67A4

split-complementary

#EFFE67 #67A4FE #C167FE

monochromatic

#D2E902 #E9FE2A #EFFE67 #F5FEA4 #FCFFE1

Accessibility & contrast

On white

1.10

#EFFE67 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.04

#EFFE67 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFE67

19.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFE67	#FFFFFF	#000000	##000000
##EFFE67	1.00	1.10	19.04	19.04
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.04	21.00	1.00	1.00
##000000	19.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF255

Deuteranopia (green-blind)

#FFF571

Tritanopia (blue-blind)

#FDF0DE

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #effe67;
/* rgb */ color: rgb(239, 254, 103);
/* oklch */ color: oklch(95.8% 0.173 114.5);

Tailwind

colors: {
  custom: {
    50: '#f7fe98',
    500: '#effe67',
    950: '#000000',
  },
}

SCSS

$custom: #effe67;
$custom-light: #f7fe98;
$custom-dark: #000000;

JSON

{
  "hex": "#effe67",
  "rgb": {
    "r": 239,
    "g": 254,
    "b": 103
  },
  "hsl": {
    "h": 65.96,
    "s": 98.693,
    "l": 70
  },
  "oklch": {
    "l": 0.9579,
    "c": 0.17289,
    "h": 114.5
  },
  "luminance": 0.90214
}

Semantic roles & 50–950 ramp

primary

#EFFE67

secondary

#4130D9

accent

#00E617

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFFE67

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

Preview Lab → · Contrast checker → · Palette generator →