#438B1B#438B1B

#438B1B is a mid, vivid yellow-green. Relative luminance 0.197; OKLCH L 56.8% C 0.159 H 137.2°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#438B1B
RGB	rgb(67, 139, 27)
HSL	hsl(99, 67%, 33%)
HSV	hsv(99, 81%, 55%)
CMYK	cmyk(51.8%, 0%, 80.6%, 45.5%)
CIE-LAB	lab(51.54, -42.07, 48.72)
CIE-LCH	lch(51.54, 64.37, 130.81°)
OKLab	oklab(56.83% -0.1168 0.1082)
OKLCH	oklch(56.83% 0.159 137.2)
XYZ	xyz(11.7448, 19.7368, 4.2274)
Luminance	0.1974 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#438B1B #631B8B

analogous

#7B8B1B #438B1B #1B8B2B

triadic

#438B1B #1B438B #8B1B43

tetradic

#438B1B #1B7B8B #631B8B #8B2B1B

square

#438B1B #1B7B8B #631B8B #8B2B1B

split-complementary

#438B1B #2B1B8B #8B1B7B

monochromatic

#122507 #2A5811 #438B1B #5CBE25 #7BDB45

Accessibility & contrast

On white

4.24

#438B1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#438B1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #438B1B

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##438B1B	#FFFFFF	#000000	##000000
##438B1B	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#907F00

Deuteranopia (green-blind)

#867928

Tritanopia (blue-blind)

#3E8676

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #438b1b;
/* rgb */ color: rgb(67, 139, 27);
/* oklch */ color: oklch(56.8% 0.159 137.2);

Tailwind

colors: {
  custom: {
    50: '#7fad61',
    500: '#438b1b',
    950: '#000000',
  },
}

SCSS

$custom: #438b1b;
$custom-light: #7fad61;
$custom-dark: #000000;

JSON

{
  "hex": "#438b1b",
  "rgb": {
    "r": 67,
    "g": 139,
    "b": 27
  },
  "hsl": {
    "h": 98.571,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.56827,
    "c": 0.15922,
    "h": 137.2
  },
  "luminance": 0.19738
}

Semantic roles & 50–950 ramp

primary

#438B1B

secondary

#9245BC

accent

#3DEAAD

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0B1005

muted

#7C7F7A

Preview Lab

Preview with #438B1B

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

Preview Lab → · Contrast checker → · Palette generator →