#1F2900#1F2900

#1F2900 is a dark, moderate yellow-green. Relative luminance 0.019; OKLCH L 26.2% C 0.064 H 122.6°. Best body text is #FFFFFF at 15.27:1 contrast (WCAG AA passes).

Color values

HEX	#1F2900
RGB	rgb(31, 41, 0)
HSL	hsl(75, 100%, 8%)
HSV	hsv(75, 100%, 16%)
CMYK	cmyk(24.4%, 0%, 100%, 83.9%)
CIE-LAB	lab(14.83, -11.56, 21.41)
CIE-LCH	lch(14.83, 24.33, 118.36°)
OKLab	oklab(26.19% -0.0345 0.0539)
OKLCH	oklch(26.19% 0.064 122.6)
XYZ	xyz(1.3580, 1.8772, 0.2908)
Luminance	0.0188 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2900 #0A0029

analogous

#291E00 #1F2900 #0A2900

triadic

#1F2900 #001F29 #29001F

tetradic

#1F2900 #00291E #0A0029 #29000A

square

#1F2900 #00291E #0A0029 #29000A

split-complementary

#1F2900 #000A29 #1E0029

monochromatic

#171F00 #171F00 #1F2900 #4D6600 #7CA300

Accessibility & contrast

On white

15.27

#1F2900 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#1F2900 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2900

15.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2900	#FFFFFF	#000000	##FFFFFF
##1F2900	1.00	15.27	1.38	15.27
#FFFFFF	15.27	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2600

Deuteranopia (green-blind)

#2B2503

Tritanopia (blue-blind)

#212621

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #1f2900;
/* rgb */ color: rgb(31, 41, 0);
/* oklch */ color: oklch(26.2% 0.064 122.6);

Tailwind

colors: {
  custom: {
    50: '#5b6246',
    500: '#1f2900',
    950: '#000000',
  },
}

SCSS

$custom: #1f2900;
$custom-light: #5b6246;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2900",
  "rgb": {
    "r": 31,
    "g": 41,
    "b": 0
  },
  "hsl": {
    "h": 74.634,
    "s": 100,
    "l": 8.039
  },
  "oklch": {
    "l": 0.26186,
    "c": 0.06396,
    "h": 122.6
  },
  "luminance": 0.01877
}

Semantic roles & 50–950 ramp

primary

#1F2900

secondary

#2B1471

accent

#29FF5D

background

#F5F5F3

surface

#E9EAE5

border

#C5C6C1

text

#040500

muted

#797977

Preview Lab

Preview with #1F2900

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

Preview Lab → · Contrast checker → · Palette generator →