#438A1B#438A1B

#438A1B is a mid, vivid yellow-green. Relative luminance 0.194; OKLCH L 56.6% C 0.158 H 137.1°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX#438A1B
RGBrgb(67, 138, 27)
HSLhsl(98, 67%, 32%)
HSVhsv(98, 80%, 54%)
CMYKcmyk(51.4%, 0%, 80.4%, 45.9%)
CIE-LABlab(51.21, -41.67, 48.41)
CIE-LCHlch(51.21, 63.87, 130.72°)
OKLaboklab(56.56% -0.1157 0.1076)
OKLCHoklch(56.56% 0.158 137.1)
XYZxyz(11.6007, 19.4485, 4.1794)
Luminance0.1945 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#438A1B #621B8A
analogous
#7B8A1B #438A1B #1B8A2A
triadic
#438A1B #1B438A #8A1B43
tetradic
#438A1B #1B7B8A #621B8A #8A2A1B
square
#438A1B #1B7B8A #621B8A #8A2A1B
split-complementary
#438A1B #2A1B8A #8A1B7B
monochromatic
#112407 #2A5711 #438A1B #5CBD25 #7BDB45

Accessibility & contrast

On white

4.29
#438A1B on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.89
#438A1B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #438A1B
4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##438A1B#FFFFFF#000000##000000
##438A1B1.004.294.894.89
#FFFFFF4.291.0021.0021.00
#0000004.8921.001.001.00
##0000004.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#8F7E00
Deuteranopia (green-blind)
#867828
Tritanopia (blue-blind)
#3F8575
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #438a1b;
/* rgb */ color: rgb(67, 138, 27);
/* oklch */ color: oklch(56.6% 0.158 137.1);
Tailwind
colors: {
  custom: {
    50: '#7fad61',
    500: '#438a1b',
    950: '#000000',
  },
}
SCSS
$custom: #438a1b;
$custom-light: #7fad61;
$custom-dark: #000000;
JSON
{
  "hex": "#438a1b",
  "rgb": {
    "r": 67,
    "g": 138,
    "b": 27
  },
  "hsl": {
    "h": 98.378,
    "s": 67.273,
    "l": 32.353
  },
  "oklch": {
    "l": 0.56555,
    "c": 0.15798,
    "h": 137.1
  },
  "luminance": 0.19449
}

Semantic roles & 50–950 ramp

primary
#438A1B
secondary
#9145BC
accent
#3EEAAC
background
#F8FAF6
surface
#EFF4EB
border
#CACEC6
text
#0B1005
muted
#7C7F7A

Preview Lab

Preview with #438A1B

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

Preview Lab → · Contrast checker → · Palette generator →

#438A1B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva