#64B531#64B531

#64B531 is a light, vivid yellow-green. Relative luminance 0.360; OKLCH L 69.5% C 0.182 H 136.0°. Best body text is #000000 at 8.20:1 contrast (WCAG AA passes).

Color values

HEX#64B531
RGBrgb(100, 181, 49)
HSLhsl(97, 57%, 45%)
HSVhsv(97, 73%, 71%)
CMYKcmyk(44.8%, 0%, 72.9%, 29%)
CIE-LABlab(66.50, -47.08, 56.19)
CIE-LCHlch(66.50, 73.31, 129.96°)
OKLaboklab(69.55% -0.131 0.1266)
OKLCHoklch(69.55% 0.182 136)
XYZxyz(22.3332, 35.9775, 8.6727)
Luminance0.3598 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64B531 #8231B5
analogous
#A6B531 #64B531 #31B540
triadic
#64B531 #3164B5 #B53164
tetradic
#64B531 #31A6B5 #8231B5 #B54031
square
#64B531 #31A6B5 #8231B5 #B54031
split-complementary
#64B531 #4031B5 #B531A6
monochromatic
#2F5517 #498524 #64B531 #83D053 #A6DD83

Accessibility & contrast

On white

2.56
#64B531 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.20
#64B531 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B531
8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64B531#FFFFFF#000000##000000
##64B5311.002.568.208.20
#FFFFFF2.561.0021.0021.00
#0000008.2021.001.001.00
##0000008.2021.001.001.00

Color blindness preview

Protanopia (red-blind)
#BBA619
Deuteranopia (green-blind)
#B19F3E
Tritanopia (blue-blind)
#61AE9B
Achromatopsia (no color)
#A2A2A2

Design tokens & code

CSS
--color: #64b531;
/* rgb */ color: rgb(100, 181, 49);
/* oklch */ color: oklch(69.5% 0.182 136.0);
Tailwind
colors: {
  custom: {
    50: '#97cc72',
    500: '#64b531',
    950: '#000000',
  },
}
SCSS
$custom: #64b531;
$custom-light: #97cc72;
$custom-dark: #000000;
JSON
{
  "hex": "#64b531",
  "rgb": {
    "r": 100,
    "g": 181,
    "b": 49
  },
  "hsl": {
    "h": 96.818,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.6955,
    "c": 0.18219,
    "h": 136
  },
  "luminance": 0.35979
}

Semantic roles & 50–950 ramp

primary
#64B531
secondary
#A97BC7
accent
#47E1A5
background
#F9FCF7
surface
#F2F9ED
border
#CCD2C8
text
#0E1308
muted
#7E827B

Preview Lab

Preview with #64B531

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

Preview Lab → · Contrast checker → · Palette generator →

#64B531 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva