#1F4103#1F4103

#1F4103 is a dark, moderate yellow-green. Relative luminance 0.041; OKLCH L 33.6% C 0.095 H 135.0°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#1F4103
RGB	rgb(31, 65, 3)
HSL	hsl(93, 91%, 13%)
HSV	hsv(93, 95%, 25%)
CMYK	cmyk(52.3%, 0%, 95.4%, 74.5%)
CIE-LAB	lab(23.93, -23.97, 30.63)
CIE-LCH	lch(23.93, 38.89, 128.05°)
OKLab	oklab(33.63% -0.0673 0.0672)
OKLCH	oklch(33.63% 0.095 135)
XYZ	xyz(2.4718, 4.0783, 0.7431)
Luminance	0.0408 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 2.36

Hunter Green (survey)

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4103 #250341

analogous

#3E4103 #1F4103 #034106

triadic

#1F4103 #031F41 #41031F

tetradic

#1F4103 #033E41 #250341 #410603

square

#1F4103 #033E41 #250341 #410603

split-complementary

#1F4103 #060341 #41033E

monochromatic

#0E1D01 #0E1D01 #1F4103 #3B7B06 #57B608

Accessibility & contrast

On white

11.57

#1F4103 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#1F4103 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4103

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4103	#FFFFFF	#000000	##FFFFFF
##1F4103	1.00	11.57	1.82	11.57
#FFFFFF	11.57	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443B00

Deuteranopia (green-blind)

#3F380A

Tritanopia (blue-blind)

#1E3E36

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1f4103;
/* rgb */ color: rgb(31, 65, 3);
/* oklch */ color: oklch(33.6% 0.095 135.0);

Tailwind

colors: {
  custom: {
    50: '#5f764a',
    500: '#1f4103',
    950: '#000000',
  },
}

SCSS

$custom: #1f4103;
$custom-light: #5f764a;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4103",
  "rgb": {
    "r": 31,
    "g": 65,
    "b": 3
  },
  "hsl": {
    "h": 92.903,
    "s": 91.176,
    "l": 13.333
  },
  "oklch": {
    "l": 0.33626,
    "c": 0.09509,
    "h": 135
  },
  "luminance": 0.04078
}

Semantic roles & 50–950 ramp

primary

#1F4103

secondary

#551D83

accent

#29FF9E

background

#F5F7F4

surface

#EAEDE7

border

#C6C8C3

text

#050801

muted

#797B77

Preview Lab

Preview with #1F4103

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

Preview Lab → · Contrast checker → · Palette generator →