#EFFB68#EFFB68

#EFFB68 is a very light, vivid yellow. Relative luminance 0.883; OKLCH L 95.2% C 0.169 H 113.5°. Best body text is #000000 at 18.67:1 contrast (WCAG AA passes).

Color values

HEX	#EFFB68
RGB	rgb(239, 251, 104)
HSL	hsl(65, 95%, 70%)
HSV	hsv(65, 59%, 98%)
CMYK	cmyk(4.8%, 0%, 58.6%, 1.6%)
CIE-LAB	lab(95.31, -22.73, 67.32)
CIE-LCH	lch(95.31, 71.05, 108.65°)
OKLab	oklab(95.17% -0.0673 0.1548)
OKLCH	oklch(95.17% 0.169 113.5)
XYZ	xyz(72.5942, 88.3459, 26.3223)
Luminance	0.8834 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFB68 #7468FB

analogous

#FBBE68 #EFFB68 #A6FB68

triadic

#EFFB68 #68EFFB #FB68EF

tetradic

#EFFB68 #68FBBE #7468FB #FB68A6

square

#EFFB68 #68FBBE #7468FB #FB68A6

split-complementary

#EFFB68 #68A6FB #BE68FB

monochromatic

#D1E306 #E9F92C #EFFB68 #F5FDA4 #FCFEDF

Accessibility & contrast

On white

1.12

#EFFB68 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.67

#EFFB68 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFB68

18.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFB68	#FFFFFF	#000000	##000000
##EFFB68	1.00	1.12	18.67	18.67
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.67	21.00	1.00	1.00
##000000	18.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF057

Deuteranopia (green-blind)

#FFF371

Tritanopia (blue-blind)

#FDEDDC

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #effb68;
/* rgb */ color: rgb(239, 251, 104);
/* oklch */ color: oklch(95.2% 0.169 113.5);

Tailwind

colors: {
  custom: {
    50: '#f7fc98',
    500: '#effb68',
    950: '#000000',
  },
}

SCSS

$custom: #effb68;
$custom-light: #f7fc98;
$custom-dark: #000000;

JSON

{
  "hex": "#effb68",
  "rgb": {
    "r": 239,
    "g": 251,
    "b": 104
  },
  "hsl": {
    "h": 64.898,
    "s": 94.839,
    "l": 69.608
  },
  "oklch": {
    "l": 0.95169,
    "c": 0.16879,
    "h": 113.5
  },
  "luminance": 0.88345
}

Semantic roles & 50–950 ramp

primary

#EFFB68

secondary

#3F32D6

accent

#00E613

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFFB68

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

Preview Lab → · Contrast checker → · Palette generator →