#EFF57E#EFF57E

#EFF57E is a very light, vivid yellow. Relative luminance 0.852; OKLCH L 94.2% C 0.143 H 111.4°. Best body text is #000000 at 18.03:1 contrast (WCAG AA passes).

Color values

HEX	#EFF57E
RGB	rgb(239, 245, 126)
HSL	hsl(63, 86%, 73%)
HSV	hsv(63, 49%, 96%)
CMYK	cmyk(2.4%, 0%, 48.6%, 3.9%)
CIE-LAB	lab(93.95, -18.11, 56.08)
CIE-LCH	lch(93.95, 58.93, 107.90°)
OKLab	oklab(94.16% -0.0521 0.1328)
OKLCH	oklch(94.16% 0.143 111.4)
XYZ	xyz(72.0163, 85.1633, 32.3791)
Luminance	0.8516 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF57E #847EF5

analogous

#F5BF7E #EFF57E #B4F57E

triadic

#EFF57E #7EEFF5 #F57EEF

tetradic

#EFF57E #7EF5BF #847EF5 #F57EB4

square

#EFF57E #7EF5BF #847EF5 #F57EB4

split-complementary

#EFF57E #7EB4F5 #BF7EF5

monochromatic

#DCE712 #E8F145 #EFF57E #F6F9B7 #FBFDE3

Accessibility & contrast

On white

1.16

#EFF57E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.03

#EFF57E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF57E

18.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF57E	#FFFFFF	#000000	##000000
##EFF57E	1.00	1.16	18.03	18.03
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.03	21.00	1.00	1.00
##000000	18.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC73

Deuteranopia (green-blind)

#FFEF84

Tritanopia (blue-blind)

#FCE9DA

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #eff57e;
/* rgb */ color: rgb(239, 245, 126);
/* oklch */ color: oklch(94.2% 0.143 111.4);

Tailwind

colors: {
  custom: {
    50: '#f6f8a6',
    500: '#eff57e',
    950: '#000000',
  },
}

SCSS

$custom: #eff57e;
$custom-light: #f6f8a6;
$custom-dark: #000000;

JSON

{
  "hex": "#eff57e",
  "rgb": {
    "r": 239,
    "g": 245,
    "b": 126
  },
  "hsl": {
    "h": 63.025,
    "s": 85.612,
    "l": 72.745
  },
  "oklch": {
    "l": 0.94157,
    "c": 0.1427,
    "h": 111.4
  },
  "luminance": 0.85162
}

Semantic roles & 50–950 ramp

primary

#EFF57E

secondary

#4D46D1

accent

#03E20F

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#171710

muted

#858580

Preview Lab

Preview with #EFF57E

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

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