#1F833B#1F833B

#1F833B is a mid, vivid green. Relative luminance 0.168; OKLCH L 53.7% C 0.140 H 148.2°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#1F833B
RGB	rgb(31, 131, 59)
HSL	hsl(137, 62%, 32%)
HSV	hsv(137, 76%, 51%)
CMYK	cmyk(76.3%, 0%, 55%, 48.6%)
CIE-LAB	lab(48.06, -44.31, 30.75)
CIE-LCH	lch(48.06, 53.93, 145.24°)
OKLab	oklab(53.74% -0.1192 0.0739)
OKLCH	oklch(53.74% 0.14 148.2)
XYZ	xyz(9.4701, 16.8386, 6.8879)
Luminance	0.1684 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F833B #831F67

analogous

#35831F #1F833B #1F836D

triadic

#1F833B #3B1F83 #833B1F

tetradic

#1F833B #1F3583 #831F67 #836D1F

square

#1F833B #1F3583 #831F67 #836D1F

split-complementary

#1F833B #6D1F83 #831F35

monochromatic

#08200E #135225 #1F833B #2BB451 #49D470

Accessibility & contrast

On white

4.81

#1F833B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#1F833B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F833B

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F833B	#FFFFFF	#000000	##FFFFFF
##1F833B	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#847735

Deuteranopia (green-blind)

#796F40

Tritanopia (blue-blind)

#008073

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #1f833b;
/* rgb */ color: rgb(31, 131, 59);
/* oklch */ color: oklch(53.7% 0.140 148.2);

Tailwind

colors: {
  custom: {
    50: '#6ba873',
    500: '#1f833b',
    950: '#000000',
  },
}

SCSS

$custom: #1f833b;
$custom-light: #6ba873;
$custom-dark: #000000;

JSON

{
  "hex": "#1f833b",
  "rgb": {
    "r": 31,
    "g": 131,
    "b": 59
  },
  "hsl": {
    "h": 136.8,
    "s": 61.728,
    "l": 31.765
  },
  "oklch": {
    "l": 0.53738,
    "c": 0.14025,
    "h": 148.2
  },
  "luminance": 0.1684
}

Semantic roles & 50–950 ramp

primary

#1F833B

secondary

#B64897

accent

#43B8E5

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#081008

muted

#7A7F7B

Preview Lab

Preview with #1F833B

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

Preview Lab → · Contrast checker → · Palette generator →