#64B128#64B128

#64B128 is a light, vivid yellow-green. Relative luminance 0.343; OKLCH L 68.5% C 0.182 H 134.9°. Best body text is #000000 at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#64B128
RGB	rgb(100, 177, 40)
HSL	hsl(94, 63%, 43%)
HSV	hsv(94, 77%, 69%)
CMYK	cmyk(43.5%, 0%, 77.4%, 30.6%)
CIE-LAB	lab(65.20, -46.03, 58.01)
CIE-LCH	lch(65.20, 74.05, 128.43°)
OKLab	oklab(68.47% -0.1288 0.1291)
OKLCH	oklch(68.47% 0.182 134.9)
XYZ	xyz(21.3602, 34.3056, 7.5032)
Luminance	0.3431 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B128 #7528B1

analogous

#A8B128 #64B128 #28B131

triadic

#64B128 #2864B1 #B12864

tetradic

#64B128 #28A8B1 #7528B1 #B13128

square

#64B128 #28A8B1 #7528B1 #B13128

split-complementary

#64B128 #3128B1 #B128A8

monochromatic

#2C4D11 #487F1D #64B128 #82D442 #A3E074

Accessibility & contrast

On white

2.67

#64B128 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.86

#64B128 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B128

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B128	#FFFFFF	#000000	##000000
##64B128	1.00	2.67	7.86	7.86
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.86	21.00	1.00	1.00
##000000	7.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A202

Deuteranopia (green-blind)

#AD9C37

Tritanopia (blue-blind)

#62AA97

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #64b128;
/* rgb */ color: rgb(100, 177, 40);
/* oklch */ color: oklch(68.5% 0.182 134.9);

Tailwind

colors: {
  custom: {
    50: '#97c96d',
    500: '#64b128',
    950: '#000000',
  },
}

SCSS

$custom: #64b128;
$custom-light: #97c96d;
$custom-dark: #000000;

JSON

{
  "hex": "#64b128",
  "rgb": {
    "r": 100,
    "g": 177,
    "b": 40
  },
  "hsl": {
    "h": 93.723,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.68468,
    "c": 0.18234,
    "h": 134.9
  },
  "luminance": 0.34307
}

Semantic roles & 50–950 ramp

primary

#64B128

secondary

#A06EC7

accent

#42E69E

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #64B128

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

Preview Lab → · Contrast checker → · Palette generator →