#EFF061#EFF061

#EFF061 is a very light, vivid yellow. Relative luminance 0.815; OKLCH L 92.8% C 0.163 H 109.6°. Best body text is #000000 at 17.31:1 contrast (WCAG AA passes).

Color values

HEX	#EFF061
RGB	rgb(239, 240, 97)
HSL	hsl(60, 83%, 66%)
HSV	hsv(60, 60%, 94%)
CMYK	cmyk(0.4%, 0%, 59.6%, 5.9%)
CIE-LAB	lab(92.37, -17.92, 67.02)
CIE-LCH	lch(92.37, 69.38, 104.97°)
OKLab	oklab(92.8% -0.0545 0.1533)
OKLCH	oklch(92.8% 0.163 109.6)
XYZ	xyz(68.9164, 81.5358, 23.4146)
Luminance	0.8153 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF061 #6261F0

analogous

#F0A961 #EFF061 #A7F061

triadic

#EFF061 #61EFF0 #F061EF

tetradic

#EFF061 #61F0A9 #6261F0 #F061A7

square

#EFF061 #61F0A9 #6261F0 #F061A7

split-complementary

#EFF061 #61A7F0 #A961F0

monochromatic

#C3C413 #E9EB29 #EFF061 #F5F599 #FAFBD1

Accessibility & contrast

On white

1.21

#EFF061 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.31

#EFF061 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF061

17.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF061	#FFFFFF	#000000	##000000
##EFF061	1.00	1.21	17.31	17.31
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.31	21.00	1.00	1.00
##000000	17.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE750

Deuteranopia (green-blind)

#FFEB6A

Tritanopia (blue-blind)

#FEE2D2

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #eff061;
/* rgb */ color: rgb(239, 240, 97);
/* oklch */ color: oklch(92.8% 0.163 109.6);

Tailwind

colors: {
  custom: {
    50: '#f7f493',
    500: '#eff061',
    950: '#000000',
  },
}

SCSS

$custom: #eff061;
$custom-light: #f7f493;
$custom-dark: #000000;

JSON

{
  "hex": "#eff061",
  "rgb": {
    "r": 239,
    "g": 240,
    "b": 97
  },
  "hsl": {
    "h": 60.42,
    "s": 82.659,
    "l": 66.078
  },
  "oklch": {
    "l": 0.92803,
    "c": 0.16266,
    "h": 109.6
  },
  "luminance": 0.81534
}

Semantic roles & 50–950 ramp

primary

#EFF061

secondary

#3534C2

accent

#06DF08

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170D

muted

#86857F

Preview Lab

Preview with #EFF061

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

Preview Lab → · Contrast checker → · Palette generator →