#64B11B#64B11B

#64B11B is a light, vivid yellow-green. Relative luminance 0.342; OKLCH L 68.4% C 0.188 H 134.2°. Best body text is #000000 at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#64B11B
RGB	rgb(100, 177, 27)
HSL	hsl(91, 74%, 40%)
HSV	hsv(91, 85%, 69%)
CMYK	cmyk(43.5%, 0%, 84.7%, 30.6%)
CIE-LAB	lab(65.15, -46.66, 61.63)
CIE-LCH	lch(65.15, 77.30, 127.13°)
OKLab	oklab(68.4% -0.1312 0.1348)
OKLCH	oklch(68.4% 0.188 134.2)
XYZ	xyz(21.1751, 34.2315, 6.5283)
Luminance	0.3423 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B11B #681BB1

analogous

#AFB11B #64B11B #1BB11D

triadic

#64B11B #1B64B1 #B11B64

tetradic

#64B11B #1BAFB1 #681BB1 #B11D1B

square

#64B11B #1BAFB1 #681BB1 #B11D1B

split-complementary

#64B11B #1D1BB1 #B11BAF

monochromatic

#28470B #467C13 #64B11B #82DF2B #A1E760

Accessibility & contrast

On white

2.68

#64B11B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.85

#64B11B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B11B

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B11B	#FFFFFF	#000000	##000000
##64B11B	1.00	2.68	7.85	7.85
#FFFFFF	2.68	1.00	21.00	21.00
#000000	7.85	21.00	1.00	1.00
##000000	7.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A200

Deuteranopia (green-blind)

#AE9C2F

Tritanopia (blue-blind)

#63AA97

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #64b11b;
/* rgb */ color: rgb(100, 177, 27);
/* oklch */ color: oklch(68.4% 0.188 134.2);

Tailwind

colors: {
  custom: {
    50: '#97c968',
    500: '#64b11b',
    950: '#000000',
  },
}

SCSS

$custom: #64b11b;
$custom-light: #97c968;
$custom-dark: #000000;

JSON

{
  "hex": "#64b11b",
  "rgb": {
    "r": 100,
    "g": 177,
    "b": 27
  },
  "hsl": {
    "h": 90.8,
    "s": 73.529,
    "l": 40
  },
  "oklch": {
    "l": 0.68401,
    "c": 0.18811,
    "h": 134.2
  },
  "luminance": 0.34233
}

Semantic roles & 50–950 ramp

primary

#64B11B

secondary

#955DCB

accent

#38F096

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0E1307

muted

#7E827A

Preview Lab

Preview with #64B11B

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

Preview Lab → · Contrast checker → · Palette generator →