#ACE45B#ACE45B

#ACE45B is a very light, vivid yellow-green. Relative luminance 0.650; OKLCH L 85.3% C 0.176 H 128.4°. Best body text is #000000 at 14.00:1 contrast (WCAG AA passes).

Color values

HEX	#ACE45B
RGB	rgb(172, 228, 91)
HSL	hsl(85, 72%, 63%)
HSV	hsv(85, 60%, 89%)
CMYK	cmyk(24.6%, 0%, 60.1%, 10.6%)
CIE-LAB	lab(84.49, -38.76, 59.59)
CIE-LCH	lch(84.49, 71.09, 123.04°)
OKLab	oklab(85.31% -0.1094 0.138)
OKLCH	oklch(85.31% 0.176 128.4)
XYZ	xyz(46.6448, 65.0118, 19.9865)
Luminance	0.6501 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACE45B #935BE4

analogous

#E4D85B #ACE45B #67E45B

triadic

#ACE45B #5BACE4 #E45BAC

tetradic

#ACE45B #5BE4D8 #935BE4 #E45B67

square

#ACE45B #5BE4D8 #935BE4 #E45B67

split-complementary

#ACE45B #5B67E4 #D85BE4

monochromatic

#6FA91C #91DB26 #ACE45B #C7ED90 #E1F5C4

Accessibility & contrast

On white

1.50

#ACE45B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.00

#ACE45B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACE45B

14.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACE45B	#FFFFFF	#000000	##000000
##ACE45B	1.00	1.50	14.00	14.00
#FFFFFF	1.50	1.00	21.00	21.00
#000000	14.00	21.00	1.00	1.00
##000000	14.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EED54B

Deuteranopia (green-blind)

#E7D265

Tritanopia (blue-blind)

#B1DBC7

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #ace45b;
/* rgb */ color: rgb(172, 228, 91);
/* oklch */ color: oklch(85.3% 0.176 128.4);

Tailwind

colors: {
  custom: {
    50: '#c8ec8e',
    500: '#ace45b',
    950: '#000000',
  },
}

SCSS

$custom: #ace45b;
$custom-light: #c8ec8e;
$custom-dark: #000000;

JSON

{
  "hex": "#ace45b",
  "rgb": {
    "r": 172,
    "g": 228,
    "b": 91
  },
  "hsl": {
    "h": 84.526,
    "s": 71.728,
    "l": 62.549
  },
  "oklch": {
    "l": 0.85305,
    "c": 0.17612,
    "h": 128.4
  },
  "luminance": 0.65013
}

Semantic roles & 50–950 ramp

primary

#ACE45B

secondary

#6739AB

accent

#12D461

background

#FEFEFC

surface

#FAFDF4

border

#D3D5CE

text

#13160D

muted

#83847F

Preview Lab

Preview with #ACE45B

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

Preview Lab → · Contrast checker → · Palette generator →