#ACE55E#ACE55E

#ACE55E is a very light, vivid yellow-green. Relative luminance 0.656; OKLCH L 85.6% C 0.175 H 128.8°. Best body text is #000000 at 14.12:1 contrast (WCAG AA passes).

Color values

HEX	#ACE55E
RGB	rgb(172, 229, 94)
HSL	hsl(85, 72%, 63%)
HSV	hsv(85, 59%, 90%)
CMYK	cmyk(24.9%, 0%, 59%, 10.2%)
CIE-LAB	lab(84.80, -38.95, 58.66)
CIE-LCH	lch(84.80, 70.41, 123.58°)
OKLab	oklab(85.57% -0.1097 0.1363)
OKLCH	oklch(85.57% 0.175 128.8)
XYZ	xyz(47.0527, 65.6164, 20.7737)
Luminance	0.6562 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACE55E #975EE5

analogous

#E5DA5E #ACE55E #68E55E

triadic

#ACE55E #5EACE5 #E55EAC

tetradic

#ACE55E #5EE5DA #975EE5 #E55E68

square

#ACE55E #5EE5DA #975EE5 #E55E68

split-complementary

#ACE55E #5E68E5 #DA5EE5

monochromatic

#70AD1C #91DC29 #ACE55E #C7EE93 #E2F6C7

Accessibility & contrast

On white

1.49

#ACE55E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.12

#ACE55E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACE55E

14.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACE55E	#FFFFFF	#000000	##000000
##ACE55E	1.00	1.49	14.12	14.12
#FFFFFF	1.49	1.00	21.00	21.00
#000000	14.12	21.00	1.00	1.00
##000000	14.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD64F

Deuteranopia (green-blind)

#E7D268

Tritanopia (blue-blind)

#B1DCC8

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #ace55e;
/* rgb */ color: rgb(172, 229, 94);
/* oklch */ color: oklch(85.6% 0.175 128.8);

Tailwind

colors: {
  custom: {
    50: '#c8ed90',
    500: '#ace55e',
    950: '#000000',
  },
}

SCSS

$custom: #ace55e;
$custom-light: #c8ed90;
$custom-dark: #000000;

JSON

{
  "hex": "#ace55e",
  "rgb": {
    "r": 172,
    "g": 229,
    "b": 94
  },
  "hsl": {
    "h": 85.333,
    "s": 72.193,
    "l": 63.333
  },
  "oklch": {
    "l": 0.85565,
    "c": 0.17498,
    "h": 128.8
  },
  "luminance": 0.65617
}

Semantic roles & 50–950 ramp

primary

#ACE55E

secondary

#6B39AE

accent

#11D464

background

#FEFFFC

surface

#FAFEF4

border

#D3D6CE

text

#13160D

muted

#83857F

Preview Lab

Preview with #ACE55E

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

Preview Lab → · Contrast checker → · Palette generator →