#64B427#64B427

#64B427 is a light, vivid yellow-green. Relative luminance 0.355; OKLCH L 69.2% C 0.186 H 135.2°. Best body text is #000000 at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#64B427
RGB	rgb(100, 180, 39)
HSL	hsl(94, 64%, 43%)
HSV	hsv(94, 78%, 71%)
CMYK	cmyk(44.4%, 0%, 78.3%, 29.4%)
CIE-LAB	lab(66.13, -47.30, 59.21)
CIE-LCH	lch(66.13, 75.78, 128.62°)
OKLab	oklab(69.23% -0.1323 0.1314)
OKLCH	oklch(69.23% 0.186 135.2)
XYZ	xyz(21.9425, 35.4970, 7.6145)
Luminance	0.3550 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B427 #7727B4

analogous

#AAB427 #64B427 #27B431

triadic

#64B427 #2764B4 #B42764

tetradic

#64B427 #27AAB4 #7727B4 #B43127

square

#64B427 #27AAB4 #7727B4 #B43127

split-complementary

#64B427 #3127B4 #B427AA

monochromatic

#2C4F11 #48821C #64B427 #82D642 #A3E174

Accessibility & contrast

On white

2.59

#64B427 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.10

#64B427 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B427

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B427	#FFFFFF	#000000	##000000
##64B427	1.00	2.59	8.10	8.10
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.10	21.00	1.00	1.00
##000000	8.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBA500

Deuteranopia (green-blind)

#B09E37

Tritanopia (blue-blind)

#62AD9A

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #64b427;
/* rgb */ color: rgb(100, 180, 39);
/* oklch */ color: oklch(69.2% 0.186 135.2);

Tailwind

colors: {
  custom: {
    50: '#97cb6d',
    500: '#64b427',
    950: '#000000',
  },
}

SCSS

$custom: #64b427;
$custom-light: #97cb6d;
$custom-dark: #000000;

JSON

{
  "hex": "#64b427",
  "rgb": {
    "r": 100,
    "g": 180,
    "b": 39
  },
  "hsl": {
    "h": 94.043,
    "s": 64.384,
    "l": 42.941
  },
  "oklch": {
    "l": 0.69229,
    "c": 0.18647,
    "h": 135.2
  },
  "luminance": 0.35498
}

Semantic roles & 50–950 ramp

primary

#64B427

secondary

#A16FC8

accent

#40E79F

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #64B427

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

Preview Lab → · Contrast checker → · Palette generator →