#EFFB67#EFFB67

#EFFB67 is a very light, vivid yellow. Relative luminance 0.883; OKLCH L 95.2% C 0.170 H 113.5°. Best body text is #000000 at 18.66:1 contrast (WCAG AA passes).

Color values

HEX	#EFFB67
RGB	rgb(239, 251, 103)
HSL	hsl(65, 95%, 69%)
HSV	hsv(65, 59%, 98%)
CMYK	cmyk(4.8%, 0%, 59%, 1.6%)
CIE-LAB	lab(95.30, -22.79, 67.72)
CIE-LCH	lch(95.30, 71.46, 108.60°)
OKLab	oklab(95.16% -0.0676 0.1555)
OKLCH	oklch(95.16% 0.17 113.5)
XYZ	xyz(72.5437, 88.3257, 26.0564)
Luminance	0.8832 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFB67 #7367FB

analogous

#FBBD67 #EFFB67 #A5FB67

triadic

#EFFB67 #67EFFB #FB67EF

tetradic

#EFFB67 #67FBBD #7367FB #FB67A5

square

#EFFB67 #67FBBD #7367FB #FB67A5

split-complementary

#EFFB67 #67A5FB #BD67FB

monochromatic

#D0E206 #E9F92B #EFFB67 #F5FDA3 #FCFEDE

Accessibility & contrast

On white

1.13

#EFFB67 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.66

#EFFB67 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFB67

18.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFB67	#FFFFFF	#000000	##000000
##EFFB67	1.00	1.13	18.66	18.66
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.66	21.00	1.00	1.00
##000000	18.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF056

Deuteranopia (green-blind)

#FFF370

Tritanopia (blue-blind)

#FDEDDC

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #effb67;
/* rgb */ color: rgb(239, 251, 103);
/* oklch */ color: oklch(95.2% 0.170 113.5);

Tailwind

colors: {
  custom: {
    50: '#f7fc98',
    500: '#effb67',
    950: '#000000',
  },
}

SCSS

$custom: #effb67;
$custom-light: #f7fc98;
$custom-dark: #000000;

JSON

{
  "hex": "#effb67",
  "rgb": {
    "r": 239,
    "g": 251,
    "b": 103
  },
  "hsl": {
    "h": 64.865,
    "s": 94.872,
    "l": 69.412
  },
  "oklch": {
    "l": 0.95159,
    "c": 0.16959,
    "h": 113.5
  },
  "luminance": 0.88324
}

Semantic roles & 50–950 ramp

primary

#EFFB67

secondary

#3E31D5

accent

#00E613

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFFB67

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

Preview Lab → · Contrast checker → · Palette generator →