#438C1B#438C1B

#438C1B is a mid, vivid yellow-green. Relative luminance 0.200; OKLCH L 57.1% C 0.160 H 137.3°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#438C1B
RGB	rgb(67, 140, 27)
HSL	hsl(99, 68%, 33%)
HSV	hsv(99, 81%, 55%)
CMYK	cmyk(52.1%, 0%, 80.7%, 45.1%)
CIE-LAB	lab(51.87, -42.47, 49.03)
CIE-LCH	lch(51.87, 64.87, 130.90°)
OKLab	oklab(57.1% -0.1179 0.1089)
OKLCH	oklch(57.1% 0.16 137.3)
XYZ	xyz(11.8903, 20.0277, 4.2759)
Luminance	0.2003 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#438C1B #641B8C

analogous

#7B8C1B #438C1B #1B8C2B

triadic

#438C1B #1B438C #8C1B43

tetradic

#438C1B #1B7B8C #641B8C #8C2B1B

square

#438C1B #1B7B8C #641B8C #8C2B1B

split-complementary

#438C1B #2B1B8C #8C1B7B

monochromatic

#122507 #2A5911 #438C1B #5CBF25 #7BDB46

Accessibility & contrast

On white

4.20

#438C1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#438C1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #438C1B

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##438C1B	#FFFFFF	#000000	##000000
##438C1B	1.00	4.20	5.01	5.01
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#917F00

Deuteranopia (green-blind)

#877928

Tritanopia (blue-blind)

#3E8777

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #438c1b;
/* rgb */ color: rgb(67, 140, 27);
/* oklch */ color: oklch(57.1% 0.160 137.3);

Tailwind

colors: {
  custom: {
    50: '#7fae62',
    500: '#438c1b',
    950: '#000000',
  },
}

SCSS

$custom: #438c1b;
$custom-light: #7fae62;
$custom-dark: #000000;

JSON

{
  "hex": "#438c1b",
  "rgb": {
    "r": 67,
    "g": 140,
    "b": 27
  },
  "hsl": {
    "h": 98.761,
    "s": 67.665,
    "l": 32.745
  },
  "oklch": {
    "l": 0.57099,
    "c": 0.16044,
    "h": 137.3
  },
  "luminance": 0.20029
}

Semantic roles & 50–950 ramp

primary

#438C1B

secondary

#9346BD

accent

#3DEBAD

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0B1005

muted

#7C7F7A

Preview Lab

Preview with #438C1B

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

Preview Lab → · Contrast checker → · Palette generator →