#AACC37#AACC37

#AACC37 is a light, vivid yellow-green. Relative luminance 0.520; OKLCH L 79.4% C 0.173 H 121.8°. Best body text is #000000 at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#AACC37
RGB	rgb(170, 204, 55)
HSL	hsl(74, 59%, 51%)
HSV	hsv(74, 73%, 80%)
CMYK	cmyk(16.7%, 0%, 73%, 20%)
CIE-LAB	lab(77.29, -30.99, 66.01)
CIE-LCH	lch(77.29, 72.92, 115.15°)
OKLab	oklab(79.36% -0.091 0.1466)
OKLCH	oklch(79.36% 0.173 121.8)
XYZ	xyz(38.8606, 52.0076, 11.6049)
Luminance	0.5201 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AACC37 #5937CC

analogous

#CCA337 #AACC37 #5FCC37

triadic

#AACC37 #37AACC #CC37AA

tetradic

#AACC37 #37CCA3 #5937CC #CC375F

square

#AACC37 #37CCA3 #5937CC #CC375F

split-complementary

#AACC37 #375FCC #A337CC

monochromatic

#5A6D1C #839E28 #AACC37 #BFD868 #D3E599

Accessibility & contrast

On white

1.84

#AACC37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.40

#AACC37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #AACC37

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AACC37	#FFFFFF	#000000	##000000
##AACC37	1.00	1.84	11.40	11.40
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.40	21.00	1.00	1.00
##000000	11.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C019

Deuteranopia (green-blind)

#D4BF44

Tritanopia (blue-blind)

#B3C1AF

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #aacc37;
/* rgb */ color: rgb(170, 204, 55);
/* oklch */ color: oklch(79.4% 0.173 121.8);

Tailwind

colors: {
  custom: {
    50: '#c7db78',
    500: '#aacc37',
    950: '#000000',
  },
}

SCSS

$custom: #aacc37;
$custom-light: #c7db78;
$custom-dark: #000000;

JSON

{
  "hex": "#aacc37",
  "rgb": {
    "r": 170,
    "g": 204,
    "b": 55
  },
  "hsl": {
    "h": 73.691,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.79362,
    "c": 0.17257,
    "h": 121.8
  },
  "luminance": 0.52008
}

Semantic roles & 50–950 ramp

primary

#AACC37

secondary

#413176

accent

#45E369

background

#FEFEFB

surface

#FAFBF1

border

#D3D4CB

text

#13150A

muted

#83847D

Preview Lab

Preview with #AACC37

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

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