#64B431#64B431

#64B431 is a light, vivid yellow-green. Relative luminance 0.356; OKLCH L 69.3% C 0.181 H 135.9°. Best body text is #000000 at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#64B431
RGB	rgb(100, 180, 49)
HSL	hsl(97, 57%, 45%)
HSV	hsv(97, 73%, 71%)
CMYK	cmyk(44.4%, 0%, 72.8%, 29.4%)
CIE-LAB	lab(66.19, -46.67, 55.88)
CIE-LCH	lch(66.19, 72.81, 129.87°)
OKLab	oklab(69.3% -0.1299 0.1259)
OKLCH	oklch(69.3% 0.181 135.9)
XYZ	xyz(22.1306, 35.5723, 8.6052)
Luminance	0.3557 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B431 #8131B4

analogous

#A6B431 #64B431 #31B43F

triadic

#64B431 #3164B4 #B43164

tetradic

#64B431 #31A6B4 #8131B4 #B43F31

square

#64B431 #31A6B4 #8131B4 #B43F31

split-complementary

#64B431 #3F31B4 #B431A6

monochromatic

#2F5417 #498424 #64B431 #83D052 #A6DD82

Accessibility & contrast

On white

2.59

#64B431 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.11

#64B431 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B431

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B431	#FFFFFF	#000000	##000000
##64B431	1.00	2.59	8.11	8.11
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.11	21.00	1.00	1.00
##000000	8.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA519

Deuteranopia (green-blind)

#B09E3E

Tritanopia (blue-blind)

#61AD9B

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #64b431;
/* rgb */ color: rgb(100, 180, 49);
/* oklch */ color: oklch(69.3% 0.181 135.9);

Tailwind

colors: {
  custom: {
    50: '#97cb72',
    500: '#64b431',
    950: '#000000',
  },
}

SCSS

$custom: #64b431;
$custom-light: #97cb72;
$custom-dark: #000000;

JSON

{
  "hex": "#64b431",
  "rgb": {
    "r": 100,
    "g": 180,
    "b": 49
  },
  "hsl": {
    "h": 96.641,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.69295,
    "c": 0.18095,
    "h": 135.9
  },
  "luminance": 0.35574
}

Semantic roles & 50–950 ramp

primary

#64B431

secondary

#A97BC6

accent

#47E0A5

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #64B431

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

Preview Lab → · Contrast checker → · Palette generator →