#64901B#64901B

#64901B is a mid, vivid yellow-green. Relative luminance 0.227; OKLCH L 59.9% C 0.148 H 128.9°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#64901B
RGB	rgb(100, 144, 27)
HSL	hsl(83, 68%, 34%)
HSV	hsv(83, 81%, 56%)
CMYK	cmyk(30.6%, 0%, 81.3%, 43.5%)
CIE-LAB	lab(54.80, -32.42, 52.35)
CIE-LCH	lch(54.80, 61.58, 121.77°)
OKLab	oklab(59.94% -0.093 0.1151)
OKLCH	oklch(59.94% 0.148 128.9)
XYZ	xyz(15.4266, 22.7345, 4.6121)
Luminance	0.2273 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64901B #471B90

analogous

#90811B #64901B #29901B

triadic

#64901B #1B6490 #901B64

tetradic

#64901B #1B9081 #471B90 #901B29

square

#64901B #1B9081 #471B90 #901B29

split-complementary

#64901B #1B2990 #811B90

monochromatic

#1C2908 #405C11 #64901B #88C425 #A5DD49

Accessibility & contrast

On white

3.79

#64901B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.55

#64901B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #64901B

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64901B	#FFFFFF	#000000	##000000
##64901B	1.00	3.79	5.55	5.55
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.55	21.00	1.00	1.00
##000000	5.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#978500

Deuteranopia (green-blind)

#918228

Tritanopia (blue-blind)

#67897B

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #64901b;
/* rgb */ color: rgb(100, 144, 27);
/* oklch */ color: oklch(59.9% 0.148 128.9);

Tailwind

colors: {
  custom: {
    50: '#94b063',
    500: '#64901b',
    950: '#000000',
  },
}

SCSS

$custom: #64901b;
$custom-light: #94b063;
$custom-dark: #000000;

JSON

{
  "hex": "#64901b",
  "rgb": {
    "r": 100,
    "g": 144,
    "b": 27
  },
  "hsl": {
    "h": 82.564,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.59941,
    "c": 0.14799,
    "h": 128.9
  },
  "luminance": 0.22735
}

Semantic roles & 50–950 ramp

primary

#64901B

secondary

#7548BF

accent

#3DEB7E

background

#F9FAF6

surface

#F2F5EB

border

#CCCFC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #64901B

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

Preview Lab → · Contrast checker → · Palette generator →