#155501
Closest named color: Forest (#0B5509). oklch(39.4% 0.126 140.1), rgb(21, 85, 1).
Aa
White text reads best on this color (9.00:1).
About this color
#155501 is a dark, moderately saturated green. In OKLCH its lightness is 39%, its chroma 0.126 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest (#0B5509), ΔE 0.006 away. White text reads best on it, at 9.00:1.
| Hue family | Greens |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Forest (#0B5509) |
| Black text | 2.33:1 |
| White text | 9.00:1 |
Values
| HEX | #155501 |
| RGB | rgb(21, 85, 1) |
| HSL | hsl(106, 98%, 17%) |
| OKLCH | oklch(39.4% 0.126 140.1) |
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 #155501 | 9.00:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #155501 | 2.33:1 | Fails | Lc 13.7 | Not readable |
| #155501 text on white | 9.00:1 | AAA | Lc 90.2 | Preferred for body text |
| #155501 text on black | 2.33:1 | Fails | Lc -12.1 | 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
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E1EFDE
oklch(93.7% 0.027 140.2)
-
Step 200
200
#C7E2C2
oklch(88.4% 0.052 140.8)
-
Step 300
300
#A0D096
oklch(80.9% 0.094 140.2)
-
Step 400
400
#69B758
oklch(70.7% 0.152 140.1)
-
Step 500
500
#38A418
oklch(63.2% 0.194 140.1)
-
Step 600
600
#278B00
oklch(55.7% 0.18 140.1)
-
Step 700
700
#1F7500
oklch(49.2% 0.159 140.2)
-
Step 800
800
#186000
oklch(42.8% 0.138 140.2)
-
Step 900
900 (this color)
#155501
oklch(39.4% 0.126 140.1)
-
Step 950
950
#0C2F04
oklch(26.9% 0.08 140.1)
#155501 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) | #584C00 | 0.087 |
| Deuteranopia (no green cones) | #50470D | 0.084 |
| Tritanopia (no blue cones) | #085247 | 0.085 |
| Achromatopsia (no color) | #494949 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #155501
#155501
oklch(39.4% 0.126 140.1)
- #632A6F
#632A6F
oklch(39.5% 0.126 320.3)
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 #155501, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest #0B5509 ΔE 0.006
- Deep Green #02590F ΔE 0.013
- Navy Green #35530A ΔE 0.032
- Bottle Green #044A05 ΔE 0.040
- Darkgreen #054907 ΔE 0.043
- British Racing Green #05480D ΔE 0.048
- Dark Green #006400 ΔE 0.048
- Racing Green #014600 ΔE 0.053
Use #155501 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.