#EFF058#EFF058

#EFF058 is a very light, vivid yellow. Relative luminance 0.814; OKLCH L 92.7% C 0.169 H 109.7°. Best body text is #000000 at 17.27:1 contrast (WCAG AA passes).

Color values

HEX	#EFF058
RGB	rgb(239, 240, 88)
HSL	hsl(60, 84%, 64%)
HSV	hsv(60, 63%, 94%)
CMYK	cmyk(0.4%, 0%, 63.3%, 5.9%)
CIE-LAB	lab(92.30, -18.48, 70.57)
CIE-LCH	lch(92.30, 72.95, 104.67°)
OKLab	oklab(92.73% -0.057 0.1595)
OKLCH	oklch(92.73% 0.169 109.7)
XYZ	xyz(68.5203, 81.3774, 21.3286)
Luminance	0.8137 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF058 #5958F0

analogous

#F0A558 #EFF058 #A3F058

triadic

#EFF058 #58EFF0 #F058EF

tetradic

#EFF058 #58F0A5 #5958F0 #F058A3

square

#EFF058 #58F0A5 #5958F0 #F058A3

split-complementary

#EFF058 #58A3F0 #A558F0

monochromatic

#BCBD11 #EAEB20 #EFF058 #F4F590 #FAFAC8

Accessibility & contrast

On white

1.22

#EFF058 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.27

#EFF058 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF058

17.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF058	#FFFFFF	#000000	##000000
##EFF058	1.00	1.22	17.27	17.27
#FFFFFF	1.22	1.00	21.00	21.00
#000000	17.27	21.00	1.00	1.00
##000000	17.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE644

Deuteranopia (green-blind)

#FFEB62

Tritanopia (blue-blind)

#FFE2D1

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #eff058;
/* rgb */ color: rgb(239, 240, 88);
/* oklch */ color: oklch(92.7% 0.169 109.7);

Tailwind

colors: {
  custom: {
    50: '#f8f48e',
    500: '#eff058',
    950: '#000000',
  },
}

SCSS

$custom: #eff058;
$custom-light: #f8f48e;
$custom-dark: #000000;

JSON

{
  "hex": "#eff058",
  "rgb": {
    "r": 239,
    "g": 240,
    "b": 88
  },
  "hsl": {
    "h": 60.395,
    "s": 83.516,
    "l": 64.314
  },
  "oklch": {
    "l": 0.92725,
    "c": 0.16939,
    "h": 109.7
  },
  "luminance": 0.81375
}

Semantic roles & 50–950 ramp

primary

#EFF058

secondary

#3231BB

accent

#06E007

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #EFF058

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

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