#1F340A#1F340A

#1F340A is a dark, moderate yellow-green. Relative luminance 0.028; OKLCH L 29.7% C 0.070 H 132.3°. Best body text is #FFFFFF at 13.52:1 contrast (WCAG AA passes).

Color values

HEX	#1F340A
RGB	rgb(31, 52, 10)
HSL	hsl(90, 68%, 12%)
HSV	hsv(90, 81%, 20%)
CMYK	cmyk(40.4%, 0%, 80.8%, 79.6%)
CIE-LAB	lab(19.09, -16.82, 22.56)
CIE-LCH	lch(19.09, 28.15, 126.71°)
OKLab	oklab(29.69% -0.0473 0.052)
OKLCH	oklch(29.69% 0.07 132.3)
XYZ	xyz(1.8478, 2.7691, 0.7242)
Luminance	0.0277 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F340A #1F0A34

analogous

#34340A #1F340A #0A340A

triadic

#1F340A #0A1F34 #340A1F

tetradic

#1F340A #0A3434 #1F0A34 #340A0A

square

#1F340A #0A3434 #1F0A34 #340A0A

split-complementary

#1F340A #0A0A34 #340A34

monochromatic

#0F1A05 #0F1A05 #1F340A #3E6714 #5C9B1E

Accessibility & contrast

On white

13.52

#1F340A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1F340A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F340A

13.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F340A	#FFFFFF	#000000	##FFFFFF
##1F340A	1.00	13.52	1.55	13.52
#FFFFFF	13.52	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#372F05

Deuteranopia (green-blind)

#342E0E

Tritanopia (blue-blind)

#1F322C

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1f340a;
/* rgb */ color: rgb(31, 52, 10);
/* oklch */ color: oklch(29.7% 0.070 132.3);

Tailwind

colors: {
  custom: {
    50: '#5d6b4c',
    500: '#1f340a',
    950: '#000000',
  },
}

SCSS

$custom: #1f340a;
$custom-light: #5d6b4c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f340a",
  "rgb": {
    "r": 31,
    "g": 52,
    "b": 10
  },
  "hsl": {
    "h": 90,
    "s": 67.742,
    "l": 12.157
  },
  "oklch": {
    "l": 0.29686,
    "c": 0.07032,
    "h": 132.3
  },
  "luminance": 0.02769
}

Semantic roles & 50–950 ramp

primary

#1F340A

secondary

#4D2871

accent

#3DEB94

background

#F5F6F4

surface

#E9EBE7

border

#C5C6C3

text

#040601

muted

#797A77

Preview Lab

Preview with #1F340A

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

Preview Lab → · Contrast checker → · Palette generator →