#EFF67B#EFF67B

#EFF67B is a very light, vivid yellow. Relative luminance 0.857; OKLCH L 94.3% C 0.147 H 111.8°. Best body text is #000000 at 18.14:1 contrast (WCAG AA passes).

Color values

HEX	#EFF67B
RGB	rgb(239, 246, 123)
HSL	hsl(63, 87%, 72%)
HSV	hsv(63, 50%, 96%)
CMYK	cmyk(2.8%, 0%, 50%, 3.5%)
CIE-LAB	lab(94.18, -18.85, 57.73)
CIE-LCH	lch(94.18, 60.73, 108.09°)
OKLab	oklab(94.33% -0.0545 0.1362)
OKLCH	oklch(94.33% 0.147 111.8)
XYZ	xyz(72.1289, 85.6937, 31.4759)
Luminance	0.8569 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF67B #827BF6

analogous

#F6C07B #EFF67B #B1F67B

triadic

#EFF67B #7BEFF6 #F67BEF

tetradic

#EFF67B #7BF6C0 #827BF6 #F67BB1

square

#EFF67B #7BF6C0 #827BF6 #F67BB1

split-complementary

#EFF67B #7BB1F6 #C07BF6

monochromatic

#DBE710 #E8F242 #EFF67B #F6FAB4 #FCFDE2

Accessibility & contrast

On white

1.16

#EFF67B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.14

#EFF67B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF67B

18.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF67B	#FFFFFF	#000000	##000000
##EFF67B	1.00	1.16	18.14	18.14
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.14	21.00	1.00	1.00
##000000	18.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED70

Deuteranopia (green-blind)

#FFF081

Tritanopia (blue-blind)

#FCEADA

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #eff67b;
/* rgb */ color: rgb(239, 246, 123);
/* oklch */ color: oklch(94.3% 0.147 111.8);

Tailwind

colors: {
  custom: {
    50: '#f6f9a4',
    500: '#eff67b',
    950: '#000000',
  },
}

SCSS

$custom: #eff67b;
$custom-light: #f6f9a4;
$custom-dark: #000000;

JSON

{
  "hex": "#eff67b",
  "rgb": {
    "r": 239,
    "g": 246,
    "b": 123
  },
  "hsl": {
    "h": 63.415,
    "s": 87.234,
    "l": 72.353
  },
  "oklch": {
    "l": 0.94329,
    "c": 0.14668,
    "h": 111.8
  },
  "luminance": 0.85692
}

Semantic roles & 50–950 ramp

primary

#EFF67B

secondary

#4C44D2

accent

#02E40F

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17170F

muted

#858580

Preview Lab

Preview with #EFF67B

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

Preview Lab → · Contrast checker → · Palette generator →