#EFF177#EFF177

#EFF177 is a very light, vivid yellow. Relative luminance 0.826; OKLCH L 93.2% C 0.145 H 109.8°. Best body text is #000000 at 17.52:1 contrast (WCAG AA passes).

Color values

HEX	#EFF177
RGB	rgb(239, 241, 119)
HSL	hsl(61, 81%, 71%)
HSV	hsv(61, 51%, 95%)
CMYK	cmyk(0.8%, 0%, 50.6%, 5.5%)
CIE-LAB	lab(92.84, -16.77, 57.97)
CIE-LCH	lch(92.84, 60.34, 106.13°)
OKLab	oklab(93.24% -0.049 0.1363)
OKLCH	oklch(93.24% 0.145 109.8)
XYZ	xyz(70.3833, 82.5949, 29.6839)
Luminance	0.8259 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF177 #7977F1

analogous

#F1B677 #EFF177 #B2F177

triadic

#EFF177 #77EFF1 #F177EF

tetradic

#EFF177 #77F1B6 #7977F1 #F177B2

square

#EFF177 #77F1B6 #7977F1 #F177B2

split-complementary

#EFF177 #77B2F1 #B677F1

monochromatic

#D4D716 #E8EB40 #EFF177 #F6F7AE #FCFCE3

Accessibility & contrast

On white

1.20

#EFF177 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.52

#EFF177 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF177

17.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF177	#FFFFFF	#000000	##000000
##EFF177	1.00	1.20	17.52	17.52
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.52	21.00	1.00	1.00
##000000	17.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE86B

Deuteranopia (green-blind)

#FFEC7D

Tritanopia (blue-blind)

#FDE4D5

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #eff177;
/* rgb */ color: rgb(239, 241, 119);
/* oklch */ color: oklch(93.2% 0.145 109.8);

Tailwind

colors: {
  custom: {
    50: '#f6f5a1',
    500: '#eff177',
    950: '#000000',
  },
}

SCSS

$custom: #eff177;
$custom-light: #f6f5a1;
$custom-dark: #000000;

JSON

{
  "hex": "#eff177",
  "rgb": {
    "r": 239,
    "g": 241,
    "b": 119
  },
  "hsl": {
    "h": 60.984,
    "s": 81.333,
    "l": 70.588
  },
  "oklch": {
    "l": 0.93243,
    "c": 0.14486,
    "h": 109.8
  },
  "luminance": 0.82593
}

Semantic roles & 50–950 ramp

primary

#EFF177

secondary

#4441CB

accent

#08DE0B

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170F

muted

#858580

Preview Lab

Preview with #EFF177

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

Preview Lab → · Contrast checker → · Palette generator →