#1F290B#1F290B

#1F290B is a dark, muted yellow-green. Relative luminance 0.019; OKLCH L 26.3% C 0.051 H 125.3°. Best body text is #FFFFFF at 15.22:1 contrast (WCAG AA passes).

Color values

HEX	#1F290B
RGB	rgb(31, 41, 11)
HSL	hsl(80, 58%, 10%)
HSV	hsv(80, 73%, 16%)
CMYK	cmyk(24.4%, 0%, 73.2%, 83.9%)
CIE-LAB	lab(14.96, -10.35, 17.09)
CIE-LCH	lch(14.96, 19.98, 121.21°)
OKLab	oklab(26.33% -0.0294 0.0416)
OKLCH	oklch(26.33% 0.051 125.3)
XYZ	xyz(1.4184, 1.9013, 0.6088)
Luminance	0.0190 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F290B #150B29

analogous

#29240B #1F290B #10290B

triadic

#1F290B #0B1F29 #290B1F

tetradic

#1F290B #0B2924 #150B29 #290B10

square

#1F290B #0B2924 #150B29 #290B10

split-complementary

#1F290B #0B1029 #240B29

monochromatic

#121806 #121806 #1F290B #435918 #688A25

Accessibility & contrast

On white

15.22

#1F290B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#1F290B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F290B

15.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F290B	#FFFFFF	#000000	##FFFFFF
##1F290B	1.00	15.22	1.38	15.22
#FFFFFF	15.22	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2608

Deuteranopia (green-blind)

#2A250D

Tritanopia (blue-blind)

#212723

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1f290b;
/* rgb */ color: rgb(31, 41, 11);
/* oklch */ color: oklch(26.3% 0.051 125.3);

Tailwind

colors: {
  custom: {
    50: '#5b624c',
    500: '#1f290b',
    950: '#000000',
  },
}

SCSS

$custom: #1f290b;
$custom-light: #5b624c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f290b",
  "rgb": {
    "r": 31,
    "g": 41,
    "b": 11
  },
  "hsl": {
    "h": 80,
    "s": 57.692,
    "l": 10.196
  },
  "oklch": {
    "l": 0.26335,
    "c": 0.05092,
    "h": 125.3
  },
  "luminance": 0.01901
}

Semantic roles & 50–950 ramp

primary

#1F290B

secondary

#3E2B65

accent

#47E17A

background

#F5F5F4

surface

#E9EAE7

border

#C5C6C3

text

#040501

muted

#797977

Preview Lab

Preview with #1F290B

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

Preview Lab → · Contrast checker → · Palette generator →