#258B40#258B40

#258B40 is a mid, vivid green. Relative luminance 0.192; OKLCH L 56.2% C 0.144 H 148.1°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#258B40
RGB	rgb(37, 139, 64)
HSL	hsl(136, 58%, 35%)
HSV	hsv(136, 73%, 55%)
CMYK	cmyk(73.4%, 0%, 54%, 45.5%)
CIE-LAB	lab(50.95, -45.52, 31.72)
CIE-LCH	lch(50.95, 55.48, 145.13°)
OKLab	oklab(56.19% -0.1225 0.0764)
OKLCH	oklch(56.19% 0.144 148.1)
XYZ	xyz(10.9201, 19.2275, 7.9853)
Luminance	0.1923 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258B40 #8B2570

analogous

#3D8B25 #258B40 #258B73

triadic

#258B40 #40258B #8B4025

tetradic

#258B40 #253D8B #8B2570 #8B7325

square

#258B40 #253D8B #8B2570 #8B7325

split-complementary

#258B40 #73258B #8B253D

monochromatic

#0B2A13 #185B2A #258B40 #32BB56 #58D378

Accessibility & contrast

On white

4.33

#258B40 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#258B40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258B40

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258B40	#FFFFFF	#000000	##000000
##258B40	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7E39

Deuteranopia (green-blind)

#807646

Tritanopia (blue-blind)

#00887A

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #258b40;
/* rgb */ color: rgb(37, 139, 64);
/* oklch */ color: oklch(56.2% 0.144 148.1);

Tailwind

colors: {
  custom: {
    50: '#6fae76',
    500: '#258b40',
    950: '#000000',
  },
}

SCSS

$custom: #258b40;
$custom-light: #6fae76;
$custom-dark: #000000;

JSON

{
  "hex": "#258b40",
  "rgb": {
    "r": 37,
    "g": 139,
    "b": 64
  },
  "hsl": {
    "h": 135.882,
    "s": 57.955,
    "l": 34.51
  },
  "oklch": {
    "l": 0.56192,
    "c": 0.14439,
    "h": 148.1
  },
  "luminance": 0.19229
}

Semantic roles & 50–950 ramp

primary

#258B40

secondary

#B7559D

accent

#47B8E1

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081009

muted

#7B7F7B

Preview Lab

Preview with #258B40

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

Preview Lab → · Contrast checker → · Palette generator →