#EFFA5E#EFFA5E

#EFFA5E is a very light, vivid yellow. Relative luminance 0.875; OKLCH L 94.9% C 0.175 H 113.1°. Best body text is #000000 at 18.51:1 contrast (WCAG AA passes).

Color values

HEX	#EFFA5E
RGB	rgb(239, 250, 94)
HSL	hsl(64, 94%, 67%)
HSV	hsv(64, 62%, 98%)
CMYK	cmyk(4.4%, 0%, 62.4%, 2%)
CIE-LAB	lab(94.96, -22.91, 71.01)
CIE-LCH	lch(94.96, 74.61, 107.88°)
OKLab	oklab(94.87% -0.0688 0.1613)
OKLCH	oklch(94.87% 0.175 113.1)
XYZ	xyz(71.8045, 87.5315, 23.7002)
Luminance	0.8753 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFA5E #695EFA

analogous

#FAB75E #EFFA5E #A1FA5E

triadic

#EFFA5E #5EEFFA #FA5EEF

tetradic

#EFFA5E #5EFAB7 #695EFA #FA5EA1

square

#EFFA5E #5EFAB7 #695EFA #FA5EA1

split-complementary

#EFFA5E #5EA1FA #B75EFA

monochromatic

#C8D707 #E9F823 #EFFA5E #F5FC99 #FBFED5

Accessibility & contrast

On white

1.13

#EFFA5E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.51

#EFFA5E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFA5E

18.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFA5E	#FFFFFF	#000000	##000000
##EFFA5E	1.00	1.13	18.51	18.51
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.51	21.00	1.00	1.00
##000000	18.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF4A

Deuteranopia (green-blind)

#FFF268

Tritanopia (blue-blind)

#FEECDA

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #effa5e;
/* rgb */ color: rgb(239, 250, 94);
/* oklch */ color: oklch(94.9% 0.175 113.1);

Tailwind

colors: {
  custom: {
    50: '#f7fb92',
    500: '#effa5e',
    950: '#000000',
  },
}

SCSS

$custom: #effa5e;
$custom-light: #f7fb92;
$custom-dark: #000000;

JSON

{
  "hex": "#effa5e",
  "rgb": {
    "r": 239,
    "g": 250,
    "b": 94
  },
  "hsl": {
    "h": 64.231,
    "s": 93.976,
    "l": 67.451
  },
  "oklch": {
    "l": 0.94868,
    "c": 0.17538,
    "h": 113.1
  },
  "luminance": 0.8753
}

Semantic roles & 50–950 ramp

primary

#EFFA5E

secondary

#372BD1

accent

#00E610

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170D

muted

#86857F

Preview Lab

Preview with #EFFA5E

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

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