#64B527#64B527

#64B527 is a light, vivid yellow-green. Relative luminance 0.359; OKLCH L 69.5% C 0.188 H 135.3°. Best body text is #000000 at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#64B527
RGB	rgb(100, 181, 39)
HSL	hsl(94, 65%, 43%)
HSV	hsv(94, 78%, 71%)
CMYK	cmyk(44.8%, 0%, 78.5%, 29%)
CIE-LAB	lab(66.45, -47.70, 59.50)
CIE-LCH	lch(66.45, 76.26, 128.72°)
OKLab	oklab(69.48% -0.1334 0.132)
OKLCH	oklch(69.48% 0.188 135.3)
XYZ	xyz(22.1451, 35.9022, 7.6820)
Luminance	0.3590 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B527 #7827B5

analogous

#ABB527 #64B527 #27B531

triadic

#64B527 #2764B5 #B52764

tetradic

#64B527 #27ABB5 #7827B5 #B53127

square

#64B527 #27ABB5 #7827B5 #B53127

split-complementary

#64B527 #3127B5 #B527AB

monochromatic

#2C5011 #48831C #64B527 #82D643 #A4E175

Accessibility & contrast

On white

2.57

#64B527 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.18

#64B527 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B527

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B527	#FFFFFF	#000000	##000000
##64B527	1.00	2.57	8.18	8.18
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.18	21.00	1.00	1.00
##000000	8.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCA600

Deuteranopia (green-blind)

#B19F37

Tritanopia (blue-blind)

#62AE9B

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #64b527;
/* rgb */ color: rgb(100, 181, 39);
/* oklch */ color: oklch(69.5% 0.188 135.3);

Tailwind

colors: {
  custom: {
    50: '#97cc6d',
    500: '#64b527',
    950: '#000000',
  },
}

SCSS

$custom: #64b527;
$custom-light: #97cc6d;
$custom-dark: #000000;

JSON

{
  "hex": "#64b527",
  "rgb": {
    "r": 100,
    "g": 181,
    "b": 39
  },
  "hsl": {
    "h": 94.225,
    "s": 64.545,
    "l": 43.137
  },
  "oklch": {
    "l": 0.69484,
    "c": 0.18767,
    "h": 135.3
  },
  "luminance": 0.35904
}

Semantic roles & 50–950 ramp

primary

#64B527

secondary

#A26FC9

accent

#40E8A0

background

#F9FCF6

surface

#F2F9EC

border

#CCD2C7

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #64B527

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

Preview Lab → · Contrast checker → · Palette generator →