#64C91B#64C91B

#64C91B is a light, highly saturated yellow-green. Relative luminance 0.446; OKLCH L 74.5% C 0.215 H 136.4°. Best body text is #000000 at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#64C91B
RGB	rgb(100, 201, 27)
HSL	hsl(95, 76%, 45%)
HSV	hsv(95, 87%, 79%)
CMYK	cmyk(50.2%, 0%, 86.6%, 21.2%)
CIE-LAB	lab(72.60, -55.92, 68.13)
CIE-LCH	lch(72.60, 88.14, 129.38°)
OKLab	oklab(74.53% -0.156 0.1485)
OKLCH	oklch(74.53% 0.215 136.4)
XYZ	xyz(26.3393, 44.5599, 8.2497)
Luminance	0.4456 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C91B #801BC9

analogous

#BBC91B #64C91B #1BC929

triadic

#64C91B #1B64C9 #C91B64

tetradic

#64C91B #1BBBC9 #801BC9 #C9291B

square

#64C91B #1BBBC9 #801BC9 #C9291B

split-complementary

#64C91B #291BC9 #C91BBB

monochromatic

#2E5D0D #499314 #64C91B #83E53C #A5EC72

Accessibility & contrast

On white

2.12

#64C91B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.91

#64C91B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C91B

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C91B	#FFFFFF	#000000	##000000
##64C91B	1.00	2.12	9.91	9.91
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.91	21.00	1.00	1.00
##000000	9.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B700

Deuteranopia (green-blind)

#C3AF34

Tritanopia (blue-blind)

#5FC1AB

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #64c91b;
/* rgb */ color: rgb(100, 201, 27);
/* oklch */ color: oklch(74.5% 0.215 136.4);

Tailwind

colors: {
  custom: {
    50: '#9ada6b',
    500: '#64c91b',
    950: '#000000',
  },
}

SCSS

$custom: #64c91b;
$custom-light: #9ada6b;
$custom-dark: #000000;

JSON

{
  "hex": "#64c91b",
  "rgb": {
    "r": 100,
    "g": 201,
    "b": 27
  },
  "hsl": {
    "h": 94.828,
    "s": 76.316,
    "l": 44.706
  },
  "oklch": {
    "l": 0.74531,
    "c": 0.21541,
    "h": 136.4
  },
  "luminance": 0.44562
}

Semantic roles & 50–950 ramp

primary

#64C91B

secondary

#A86DD3

accent

#35F3A3

background

#FAFDF6

surface

#F4FBEC

border

#CED4C7

text

#0F1508

muted

#7F837A

Preview Lab

Preview with #64C91B

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

Preview Lab → · Contrast checker → · Palette generator →