#257531#257531

#257531 is a mid, vivid green. Relative luminance 0.133; OKLCH L 49.8% C 0.128 H 145.9°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#257531
RGB	rgb(37, 117, 49)
HSL	hsl(129, 52%, 30%)
HSV	hsv(129, 68%, 46%)
CMYK	cmyk(68.4%, 0%, 58.1%, 54.1%)
CIE-LAB	lab(43.27, -39.32, 30.21)
CIE-LCH	lch(43.27, 49.58, 142.46°)
OKLab	oklab(49.78% -0.1062 0.072)
OKLCH	oklch(49.78% 0.128 145.9)
XYZ	xyz(7.6781, 13.3369, 5.0748)
Luminance	0.1334 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257531 #752569

analogous

#417525 #257531 #257559

triadic

#257531 #312575 #753125

tetradic

#257531 #254175 #752569 #755925

square

#257531 #254175 #752569 #755925

split-complementary

#257531 #592575 #752541

monochromatic

#08180A #16471E #257531 #34A344 #4EC760

Accessibility & contrast

On white

5.73

#257531 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#257531 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257531

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257531	#FFFFFF	#000000	##FFFFFF
##257531	1.00	5.73	3.67	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#776A2B

Deuteranopia (green-blind)

#6D6436

Tritanopia (blue-blind)

#0D7266

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #257531;
/* rgb */ color: rgb(37, 117, 49);
/* oklch */ color: oklch(49.8% 0.128 145.9);

Tailwind

colors: {
  custom: {
    50: '#6a9e6b',
    500: '#257531',
    950: '#000000',
  },
}

SCSS

$custom: #257531;
$custom-light: #6a9e6b;
$custom-dark: #000000;

JSON

{
  "hex": "#257531",
  "rgb": {
    "r": 37,
    "g": 117,
    "b": 49
  },
  "hsl": {
    "h": 129,
    "s": 51.948,
    "l": 30.196
  },
  "oklch": {
    "l": 0.49776,
    "c": 0.12833,
    "h": 145.9
  },
  "luminance": 0.13338
}

Semantic roles & 50–950 ramp

primary

#257531

secondary

#A84E9A

accent

#4CC6DB

background

#F6F9F6

surface

#ECF2EB

border

#C7CCC6

text

#070E07

muted

#7A7E7A

Preview Lab

Preview with #257531

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

Preview Lab → · Contrast checker → · Palette generator →