#EFFA65#EFFA65

#EFFA65 is a very light, vivid yellow. Relative luminance 0.877; OKLCH L 94.9% C 0.170 H 113.2°. Best body text is #000000 at 18.53:1 contrast (WCAG AA passes).

Color values

HEX	#EFFA65
RGB	rgb(239, 250, 101)
HSL	hsl(64, 94%, 69%)
HSV	hsv(64, 60%, 98%)
CMYK	cmyk(4.4%, 0%, 59.6%, 2%)
CIE-LAB	lab(95.02, -22.46, 68.25)
CIE-LCH	lch(95.02, 71.84, 108.21°)
OKLab	oklab(94.93% -0.0669 0.1564)
OKLCH	oklch(94.93% 0.17 113.2)
XYZ	xyz(72.1329, 87.6629, 25.4302)
Luminance	0.8766 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFA65 #7065FA

analogous

#FABB65 #EFFA65 #A5FA65

triadic

#EFFA65 #65EFFA #FA65EF

tetradic

#EFFA65 #65FABB #7065FA #FA65A5

square

#EFFA65 #65FABB #7065FA #FA65A5

split-complementary

#EFFA65 #65A5FA #BB65FA

monochromatic

#CEDD07 #E9F82A #EFFA65 #F5FCA0 #FBFEDC

Accessibility & contrast

On white

1.13

#EFFA65 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.53

#EFFA65 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFA65

18.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFA65	#FFFFFF	#000000	##000000
##EFFA65	1.00	1.13	18.53	18.53
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.53	21.00	1.00	1.00
##000000	18.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF53

Deuteranopia (green-blind)

#FFF26E

Tritanopia (blue-blind)

#FEECDA

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #effa65;
/* rgb */ color: rgb(239, 250, 101);
/* oklch */ color: oklch(94.9% 0.170 113.2);

Tailwind

colors: {
  custom: {
    50: '#f7fb97',
    500: '#effa65',
    950: '#000000',
  },
}

SCSS

$custom: #effa65;
$custom-light: #f7fb97;
$custom-dark: #000000;

JSON

{
  "hex": "#effa65",
  "rgb": {
    "r": 239,
    "g": 250,
    "b": 101
  },
  "hsl": {
    "h": 64.43,
    "s": 93.711,
    "l": 68.824
  },
  "oklch": {
    "l": 0.94931,
    "c": 0.17008,
    "h": 113.2
  },
  "luminance": 0.87662
}

Semantic roles & 50–950 ramp

primary

#EFFA65

secondary

#3B2FD4

accent

#00E611

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFFA65

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

Preview Lab → · Contrast checker → · Palette generator →