#5AAC21#5AAC21

#5AAC21 is a light, vivid yellow-green. Relative luminance 0.318; OKLCH L 66.7% C 0.185 H 136.0°. Best body text is #000000 at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#5AAC21
RGB	rgb(90, 172, 33)
HSL	hsl(95, 68%, 40%)
HSV	hsv(95, 81%, 67%)
CMYK	cmyk(47.7%, 0%, 80.8%, 32.5%)
CIE-LAB	lab(63.17, -47.64, 58.09)
CIE-LCH	lch(63.17, 75.13, 129.36°)
OKLab	oklab(66.66% -0.1329 0.1284)
OKLCH	oklch(66.66% 0.185 136)
XYZ	xyz(19.2430, 31.7872, 6.5601)
Luminance	0.3179 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5AAC21 #7321AC

analogous

#9FAC21 #5AAC21 #21AC2E

triadic

#5AAC21 #215AAC #AC215A

tetradic

#5AAC21 #219FAC #7321AC #AC2E21

square

#5AAC21 #219FAC #7321AC #AC2E21

split-complementary

#5AAC21 #2E21AC #AC219F

monochromatic

#24450D #3F7917 #5AAC21 #76D832 #99E266

Accessibility & contrast

On white

2.85

#5AAC21 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.36

#5AAC21 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5AAC21

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5AAC21	#FFFFFF	#000000	##000000
##5AAC21	1.00	2.85	7.36	7.36
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.36	21.00	1.00	1.00
##000000	7.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B29D00

Deuteranopia (green-blind)

#A89631

Tritanopia (blue-blind)

#56A593

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #5aac21;
/* rgb */ color: rgb(90, 172, 33);
/* oklch */ color: oklch(66.7% 0.185 136.0);

Tailwind

colors: {
  custom: {
    50: '#91c569',
    500: '#5aac21',
    950: '#000000',
  },
}

SCSS

$custom: #5aac21;
$custom-light: #91c569;
$custom-dark: #000000;

JSON

{
  "hex": "#5aac21",
  "rgb": {
    "r": 90,
    "g": 172,
    "b": 33
  },
  "hsl": {
    "h": 95.396,
    "s": 67.805,
    "l": 40.196
  },
  "oklch": {
    "l": 0.66664,
    "c": 0.18478,
    "h": 136
  },
  "luminance": 0.31789
}

Semantic roles & 50–950 ramp

primary

#5AAC21

secondary

#9E62C7

accent

#3DEBA4

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #5AAC21

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

Preview Lab → · Contrast checker → · Palette generator →