#EFFB6E#EFFB6E

#EFFB6E is a very light, vivid yellow. Relative luminance 0.885; OKLCH L 95.2% C 0.164 H 113.6°. Best body text is #000000 at 18.69:1 contrast (WCAG AA passes).

Color values

HEX	#EFFB6E
RGB	rgb(239, 251, 110)
HSL	hsl(65, 95%, 71%)
HSV	hsv(65, 56%, 98%)
CMYK	cmyk(4.8%, 0%, 56.2%, 1.6%)
CIE-LAB	lab(95.36, -22.29, 64.84)
CIE-LCH	lch(95.36, 68.56, 108.97°)
OKLab	oklab(95.23% -0.0655 0.1502)
OKLCH	oklch(95.23% 0.164 113.6)
XYZ	xyz(72.9098, 88.4722, 27.9849)
Luminance	0.8847 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFB6E #7A6EFB

analogous

#FBC06E #EFFB6E #A8FB6E

triadic

#EFFB6E #6EEFFB #FB6EEF

tetradic

#EFFB6E #6EFBC0 #7A6EFB #FB6EA8

square

#EFFB6E #6EFBC0 #7A6EFB #FB6EA8

split-complementary

#EFFB6E #6EA8FB #C06EFB

monochromatic

#D5E806 #E8F932 #EFFB6E #F6FDAA #FCFEE1

Accessibility & contrast

On white

1.12

#EFFB6E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.69

#EFFB6E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFB6E

18.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFB6E	#FFFFFF	#000000	##000000
##EFFB6E	1.00	1.12	18.69	18.69
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.69	21.00	1.00	1.00
##000000	18.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF05F

Deuteranopia (green-blind)

#FFF376

Tritanopia (blue-blind)

#FDEEDC

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #effb6e;
/* rgb */ color: rgb(239, 251, 110);
/* oklch */ color: oklch(95.2% 0.164 113.6);

Tailwind

colors: {
  custom: {
    50: '#f7fc9c',
    500: '#effb6e',
    950: '#000000',
  },
}

SCSS

$custom: #effb6e;
$custom-light: #f7fc9c;
$custom-dark: #000000;

JSON

{
  "hex": "#effb6e",
  "rgb": {
    "r": 239,
    "g": 251,
    "b": 110
  },
  "hsl": {
    "h": 65.106,
    "s": 94.631,
    "l": 70.784
  },
  "oklch": {
    "l": 0.95228,
    "c": 0.16388,
    "h": 113.6
  },
  "luminance": 0.88471
}

Semantic roles & 50–950 ramp

primary

#EFFB6E

secondary

#4437D6

accent

#00E614

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170F

muted

#858580

Preview Lab

Preview with #EFFB6E

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

Preview Lab → · Contrast checker → · Palette generator →