#1A571B
Closest named color: Deep Green (#02590F). oklch(40.3% 0.111 143.4), rgb(26, 87, 27).
Aa
White text reads best on this color (8.66:1).
About this color
#1A571B is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.111 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Green (#02590F), ΔE 0.018 away. White text reads best on it, at 8.66:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Deep Green (#02590F) |
| Black text | 2.42:1 |
| White text | 8.66:1 |
Values
| HEX | #1A571B |
| RGB | rgb(26, 87, 27) |
| HSL | hsl(121, 54%, 22%) |
| OKLCH | oklch(40.3% 0.111 143.4) |
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 #1A571B | 8.66:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #1A571B | 2.42:1 | Fails | Lc 14.6 | Not readable |
| #1A571B text on white | 8.66:1 | AAA | Lc 89.4 | Fine for body text |
| #1A571B text on black | 2.42:1 | Fails | Lc -12.8 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E3EDE2
oklch(93.6% 0.018 142.8)
-
Step 200
200
#CCE0CA
oklch(88.6% 0.037 142.7)
-
Step 300
300
#A8CCA6
oklch(80.9% 0.065 143.6)
-
Step 400
400
#79B176
oklch(70.6% 0.103 143.2)
-
Step 500
500
#539E52
oklch(63.2% 0.133 143.5)
-
Step 600
600
#348835
oklch(55.6% 0.144 143.5)
-
Step 700
700
#267327
oklch(49.1% 0.134 143.4)
-
Step 800
800 (this color)
#1A571B
oklch(40.3% 0.111 143.4)
-
Step 900
900
#214D21
oklch(37.7% 0.087 143.6)
-
Step 950
950
#152D14
oklch(27% 0.054 143.1)
#1A571B 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) | #594F14 | 0.080 |
| Deuteranopia (no green cones) | #514920 | 0.080 |
| Tritanopia (no blue cones) | #0C544A | 0.070 |
| Achromatopsia (no color) | #4B4B4B | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A571B
#1A571B
oklch(40.3% 0.111 143.4)
- #64306A
#64306A
oklch(40.2% 0.111 323.4)
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 #1A571B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Green #02590F ΔE 0.018
- Forest #0B5509 ΔE 0.019
- Navy Green #35530A ΔE 0.026
- Spruce #0A5F38 ΔE 0.037
- Pine #2B5D34 ΔE 0.039
- Bottle Green #044A05 ΔE 0.048
- Dark Green #006400 ΔE 0.050
- Darkgreen #054907 ΔE 0.051
Use #1A571B 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.