#438F1B#438F1B

#438F1B is a mid, vivid yellow-green. Relative luminance 0.209; OKLCH L 57.9% C 0.164 H 137.5°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#438F1B
RGB	rgb(67, 143, 27)
HSL	hsl(99, 68%, 33%)
HSV	hsv(99, 81%, 56%)
CMYK	cmyk(53.1%, 0%, 81.1%, 43.9%)
CIE-LAB	lab(52.86, -43.66, 49.96)
CIE-LCH	lch(52.86, 66.35, 131.15°)
OKLab	oklab(57.91% -0.1211 0.1108)
OKLCH	oklch(57.91% 0.164 137.5)
XYZ	xyz(12.3346, 20.9164, 4.4240)
Luminance	0.2092 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#438F1B #671B8F

analogous

#7D8F1B #438F1B #1B8F2D

triadic

#438F1B #1B438F #8F1B43

tetradic

#438F1B #1B7D8F #671B8F #8F2D1B

square

#438F1B #1B7D8F #671B8F #8F2D1B

split-complementary

#438F1B #2D1B8F #8F1B7D

monochromatic

#132808 #2B5C11 #438F1B #5BC225 #7BDC48

Accessibility & contrast

On white

4.05

#438F1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#438F1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #438F1B

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##438F1B	#FFFFFF	#000000	##000000
##438F1B	1.00	4.05	5.18	5.18
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#948200

Deuteranopia (green-blind)

#8A7C29

Tritanopia (blue-blind)

#3E8A7A

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #438f1b;
/* rgb */ color: rgb(67, 143, 27);
/* oklch */ color: oklch(57.9% 0.164 137.5);

Tailwind

colors: {
  custom: {
    50: '#80b062',
    500: '#438f1b',
    950: '#000000',
  },
}

SCSS

$custom: #438f1b;
$custom-light: #80b062;
$custom-dark: #000000;

JSON

{
  "hex": "#438f1b",
  "rgb": {
    "r": 67,
    "g": 143,
    "b": 27
  },
  "hsl": {
    "h": 99.31,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.57914,
    "c": 0.16411,
    "h": 137.5
  },
  "luminance": 0.20917
}

Semantic roles & 50–950 ramp

primary

#438F1B

secondary

#9548BE

accent

#3DEBAF

background

#F8FAF6

surface

#EFF5EB

border

#CACFC6

text

#0B1006

muted

#7C7F7A

Preview Lab

Preview with #438F1B

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

Preview Lab → · Contrast checker → · Palette generator →