#1F5539
Closest named color: Pine (#2B5D34). oklch(40.5% 0.075 157.7), rgb(31, 85, 57).
Aa
White text reads best on this color (8.68:1).
About this color
#1F5539 is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.075 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.032 away. White text reads best on it, at 8.68:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.075) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 2.41:1 |
| White text | 8.68:1 |
Values
| HEX | #1F5539 |
| RGB | rgb(31, 85, 57) |
| HSL | hsl(149, 47%, 23%) |
| OKLCH | oklch(40.5% 0.075 157.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #1F5539 | 8.68:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #1F5539 | 2.41:1 | Fails | Lc 14.4 | Not readable |
| #1F5539 text on white | 8.68:1 | AAA | Lc 89.6 | Fine for body text |
| #1F5539 text on black | 2.41:1 | Fails | Lc -12.7 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3EDE7
oklch(93.7% 0.013 159.9)
-
Step 200
200
#CDDED3
oklch(88.5% 0.024 157.5)
-
Step 300
300
#AACAB6
oklch(81% 0.044 157.8)
-
Step 400
400
#7CAE90
oklch(70.7% 0.069 157.7)
-
Step 500
500
#589A74
oklch(63.1% 0.089 157.3)
-
Step 600
600
#3A845D
oklch(55.5% 0.096 157.9)
-
Step 700
700
#2C704C
oklch(49.1% 0.09 157.3)
-
Step 800
800 (this color)
#1F5539
oklch(40.5% 0.075 157.7)
-
Step 900
900
#244B35
oklch(37.7% 0.059 157.2)
-
Step 950
950
#162C1F
oklch(27% 0.037 156.8)
#1F5539 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #544E37 | 0.069 |
| Deuteranopia (no green cones) | #4D493B | 0.068 |
| Tritanopia (no blue cones) | #0A544E | 0.036 |
| Achromatopsia (no color) | #4B4B4B | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F5539
#1F5539
oklch(40.5% 0.075 157.7)
- #633857
#633857
oklch(40.5% 0.075 338.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1F5539, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.032
- Dark Blue Green #005249 ΔE 0.033
- Spruce #0A5F38 ΔE 0.034
- Navy Green #35530A ΔE 0.050
- Dark Slate Gray #2F4F4F ΔE 0.051
- Dark Teal #014D4E ΔE 0.053
- Evergreen #05472A ΔE 0.054
- Deep Teal #00555A ΔE 0.054
Use #1F5539 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.