#ACF378#ACF378

#ACF378 is a very light, vivid yellow-green. Relative luminance 0.742; OKLCH L 89.1% C 0.171 H 133.5°. Best body text is #000000 at 15.85:1 contrast (WCAG AA passes).

Color values

HEX	#ACF378
RGB	rgb(172, 243, 120)
HSL	hsl(95, 84%, 71%)
HSV	hsv(95, 51%, 95%)
CMYK	cmyk(29.2%, 0%, 50.6%, 4.7%)
CIE-LAB	lab(89.03, -42.59, 51.92)
CIE-LCH	lch(89.03, 67.15, 129.36°)
OKLab	oklab(89.08% -0.1178 0.124)
OKLCH	oklch(89.08% 0.171 133.5)
XYZ	xyz(52.4530, 74.2262, 29.3291)
Luminance	0.7423 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Light Yellowish Green

#C2FF89

ΔE00 3.27

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACF378 #BF78F3

analogous

#E9F378 #ACF378 #78F381

triadic

#ACF378 #78ACF3 #F378AC

tetradic

#ACF378 #78E9F3 #BF78F3 #F38178

square

#ACF378 #78E9F3 #BF78F3 #F38178

split-complementary

#ACF378 #8178F3 #F378E9

monochromatic

#69DD14 #89EE40 #ACF378 #CFF8B0 #EEFDE3

Accessibility & contrast

On white

1.33

#ACF378 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.85

#ACF378 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACF378

15.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACF378	#FFFFFF	#000000	##000000
##ACF378	1.00	1.33	15.85	15.85
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.85	21.00	1.00	1.00
##000000	15.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBE36D

Deuteranopia (green-blind)

#F1DE80

Tritanopia (blue-blind)

#ADEBD7

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #acf378;
/* rgb */ color: rgb(172, 243, 120);
/* oklch */ color: oklch(89.1% 0.171 133.5);

Tailwind

colors: {
  custom: {
    50: '#c8f7a2',
    500: '#acf378',
    950: '#000000',
  },
}

SCSS

$custom: #acf378;
$custom-light: #c8f7a2;
$custom-dark: #000000;

JSON

{
  "hex": "#acf378",
  "rgb": {
    "r": 172,
    "g": 243,
    "b": 120
  },
  "hsl": {
    "h": 94.634,
    "s": 83.673,
    "l": 71.176
  },
  "oklch": {
    "l": 0.89079,
    "c": 0.17104,
    "h": 133.5
  },
  "luminance": 0.74228
}

Semantic roles & 50–950 ramp

primary

#ACF378

secondary

#9242CE

accent

#05E084

background

#FEFFFC

surface

#FAFFF5

border

#D3D7CF

text

#13170F

muted

#838580

Preview Lab

Preview with #ACF378

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

Preview Lab → · Contrast checker → · Palette generator →