#648B23#648B23

#648B23 is a mid, vivid yellow-green. Relative luminance 0.213; OKLCH L 58.7% C 0.137 H 128.2°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#648B23
RGB	rgb(100, 139, 35)
HSL	hsl(83, 60%, 34%)
HSV	hsv(83, 75%, 55%)
CMYK	cmyk(28.1%, 0%, 74.8%, 45.5%)
CIE-LAB	lab(53.27, -29.64, 48.19)
CIE-LCH	lch(53.27, 56.58, 121.59°)
OKLab	oklab(58.71% -0.0848 0.1077)
OKLCH	oklch(58.71% 0.137 128.2)
XYZ	xyz(14.7915, 21.2956, 4.9209)
Luminance	0.2130 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648B23 #4A238B

analogous

#8B7E23 #648B23 #308B23

triadic

#648B23 #23648B #8B2364

tetradic

#648B23 #238B7E #4A238B #8B2330

square

#648B23 #238B7E #4A238B #8B2330

split-complementary

#648B23 #23308B #7E238B

monochromatic

#1E290A #415A17 #648B23 #87BC2F #A4D454

Accessibility & contrast

On white

3.99

#648B23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.26

#648B23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648B23

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648B23	#FFFFFF	#000000	##000000
##648B23	1.00	3.99	5.26	5.26
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.26	21.00	1.00	1.00
##000000	5.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92810F

Deuteranopia (green-blind)

#8D7E2D

Tritanopia (blue-blind)

#688577

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #648b23;
/* rgb */ color: rgb(100, 139, 35);
/* oklch */ color: oklch(58.7% 0.137 128.2);

Tailwind

colors: {
  custom: {
    50: '#94ad66',
    500: '#648b23',
    950: '#000000',
  },
}

SCSS

$custom: #648b23;
$custom-light: #94ad66;
$custom-dark: #000000;

JSON

{
  "hex": "#648b23",
  "rgb": {
    "r": 100,
    "g": 139,
    "b": 35
  },
  "hsl": {
    "h": 82.5,
    "s": 59.77,
    "l": 34.118
  },
  "oklch": {
    "l": 0.58714,
    "c": 0.1371,
    "h": 128.2
  },
  "luminance": 0.21296
}

Semantic roles & 50–950 ramp

primary

#648B23

secondary

#7852B8

accent

#45E380

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0D1006

muted

#7E7F7A

Preview Lab

Preview with #648B23

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

Preview Lab → · Contrast checker → · Palette generator →