#1F552E
Closest named color: Pine (#2B5D34). oklch(40.2% 0.087 149.9), rgb(31, 85, 46).
Aa
White text reads best on this color (8.76:1).
About this color
#1F552E is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.087 and its hue 150°. 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 8.76:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 2.39:1 |
| White text | 8.76:1 |
Values
| HEX | #1F552E |
| RGB | rgb(31, 85, 46) |
| HSL | hsl(137, 47%, 23%) |
| OKLCH | oklch(40.2% 0.087 149.9) |
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 #1F552E | 8.76:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #1F552E | 2.39:1 | Fails | Lc 14.2 | Not readable |
| #1F552E text on white | 8.76:1 | AAA | Lc 89.8 | Fine for body text |
| #1F552E 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 800.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE5
oklch(93.6% 0.015 151.8)
-
Step 200
200
#CDDFD0
oklch(88.6% 0.028 150.4)
-
Step 300
300
#AACAB0
oklch(80.8% 0.05 150.6)
-
Step 400
400
#7CAF86
oklch(70.7% 0.08 150)
-
Step 500
500
#589B67
oklch(63.1% 0.104 149.8)
-
Step 600
600
#3B854F
oklch(55.5% 0.112 150.2)
-
Step 700
700
#2D713F
oklch(49.2% 0.105 149.6)
-
Step 800
800 (this color)
#1F552E
oklch(40.2% 0.087 149.9)
-
Step 900
900
#254C2E
oklch(37.9% 0.068 149.7)
-
Step 950
950
#162C1B
oklch(26.9% 0.042 150.1)
#1F552E 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) | #564E2B | 0.072 |
| Deuteranopia (no green cones) | #4E4931 | 0.070 |
| Tritanopia (no blue cones) | #10534B | 0.048 |
| Achromatopsia (no color) | #4B4B4B | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F552E
#1F552E
oklch(40.2% 0.087 149.9)
- #62365E
#62365E
oklch(40.3% 0.085 330.4)
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 #1F552E, 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 0.031
- Navy Green #35530A ΔE 0.036
- Forest #0B5509 ΔE 0.042
- Deep Green #02590F ΔE 0.044
- Dark Blue Green #005249 ΔE 0.047
- Pine Green #0A481E ΔE 0.049
- Evergreen #05472A ΔE 0.052
Use #1F552E 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.