#1A551D
Closest named color: Forest (#0B5509). oklch(39.8% 0.106 144), rgb(26, 85, 29).
Aa
White text reads best on this color (8.89:1).
About this color
#1A551D is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.106 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest (#0B5509), ΔE 0.020 away. White text reads best on it, at 8.89:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Forest (#0B5509) |
| Black text | 2.36:1 |
| White text | 8.89:1 |
Values
| HEX | #1A551D |
| RGB | rgb(26, 85, 29) |
| HSL | hsl(123, 53%, 22%) |
| OKLCH | oklch(39.8% 0.106 144) |
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 #1A551D | 8.89:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #1A551D | 2.36:1 | Fails | Lc 13.9 | Not readable |
| #1A551D text on white | 8.89:1 | AAA | Lc 90.1 | Preferred for body text |
| #1A551D text on black | 2.36:1 | Fails | Lc -12.2 | 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
#F1F7F1
oklch(97% 0.01 145.5)
-
Step 100
100
#E1EEE0
oklch(93.6% 0.023 143.4)
-
Step 200
200
#C8E1C7
oklch(88.4% 0.044 144.2)
-
Step 300
300
#A2CFA0
oklch(81% 0.081 143.7)
-
Step 400
400
#6CB56C
oklch(70.7% 0.127 144.1)
-
Step 500
500
#3EA242
oklch(63.2% 0.164 144)
-
Step 600
600
#098C1E
oklch(55.7% 0.177 144)
-
Step 700
700
#007615
oklch(49.1% 0.159 144)
-
Step 800
800
#036111
oklch(42.8% 0.137 144)
-
Step 900
900 (this color)
#1A551D
oklch(39.8% 0.106 144)
-
Step 950
950
#0E2F0F
oklch(27.2% 0.068 143.9)
#1A551D 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) | #574D17 | 0.079 |
| Deuteranopia (no green cones) | #4F4822 | 0.077 |
| Tritanopia (no blue cones) | #0C5349 | 0.066 |
| Achromatopsia (no color) | #4A4A4A | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A551D
#1A551D
oklch(39.8% 0.106 144)
- #623067
#623067
oklch(39.8% 0.106 323.9)
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 #1A551D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest #0B5509 ΔE 0.020
- Deep Green #02590F ΔE 0.023
- Navy Green #35530A ΔE 0.026
- Spruce #0A5F38 ΔE 0.039
- Pine #2B5D34 ΔE 0.040
- Bottle Green #044A05 ΔE 0.043
- Darkgreen #054907 ΔE 0.046
- Pine Green #0A481E ΔE 0.047
Use #1A551D 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.