#1F552B
Closest named color: Pine (#2B5D34). oklch(40.2% 0.09 148.3), rgb(31, 85, 43).
Aa
White text reads best on this color (8.77:1).
About this color
#1F552B is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.090 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.030 away. White text reads best on it, at 8.77:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 2.39:1 |
| White text | 8.77:1 |
Values
| HEX | #1F552B |
| RGB | rgb(31, 85, 43) |
| HSL | hsl(133, 47%, 23%) |
| OKLCH | oklch(40.2% 0.09 148.3) |
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 #1F552B | 8.77:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #1F552B | 2.39:1 | Fails | Lc 14.2 | Not readable |
| #1F552B text on white | 8.77:1 | AAA | Lc 89.8 | Fine for body text |
| #1F552B text on black | 2.39:1 | Fails | Lc -12.5 | 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 900.
-
Step 50
50
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E2EEE3
oklch(93.7% 0.019 147.8)
-
Step 200
200
#C9E0CC
oklch(88.4% 0.037 149.1)
-
Step 300
300
#A4CDA9
oklch(80.9% 0.066 148.3)
-
Step 400
400
#6FB37A
oklch(70.6% 0.108 148.3)
-
Step 500
500
#44A058
oklch(63.2% 0.138 148.3)
-
Step 600
600
#1A8A3C
oklch(55.6% 0.15 148.2)
-
Step 700
700
#05752E
oklch(49.1% 0.139 148.2)
-
Step 800
800
#0E5F27
oklch(42.6% 0.115 148.3)
-
Step 900
900 (this color)
#1F552B
oklch(40.2% 0.09 148.3)
-
Step 950
950
#102E16
oklch(27.1% 0.057 148.1)
#1F552B 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) | #564E28 | 0.072 |
| Deuteranopia (no green cones) | #4F492E | 0.071 |
| Tritanopia (no blue cones) | #12534B | 0.052 |
| Achromatopsia (no color) | #4B4B4B | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F552B
#1F552B
oklch(40.2% 0.09 148.3)
- #623560
#623560
oklch(40.2% 0.089 328.7)
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 #1F552B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.030
- Spruce #0A5F38 ΔE 0.032
- Navy Green #35530A ΔE 0.032
- Forest #0B5509 ΔE 0.038
- Deep Green #02590F ΔE 0.040
- Pine Green #0A481E ΔE 0.049
- Dark Blue Green #005249 ΔE 0.051
- Evergreen #05472A ΔE 0.053
Use #1F552B 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.