#155303
Closest named color: Forest (#0B5509). oklch(38.8% 0.123 140.3), rgb(21, 83, 3).
Aa
White text reads best on this color (9.24:1).
About this color
#155303 is a dark, moderately saturated green. In OKLCH its lightness is 39%, its chroma 0.123 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest (#0B5509), ΔE 0.007 away. White text reads best on it, at 9.24:1.
| Hue family | Greens |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Forest (#0B5509) |
| Black text | 2.27:1 |
| White text | 9.24:1 |
Values
| HEX | #155303 |
| RGB | rgb(21, 83, 3) |
| HSL | hsl(107, 93%, 17%) |
| OKLCH | oklch(38.8% 0.123 140.3) |
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 #155303 | 9.24:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #155303 | 2.27:1 | Fails | Lc 13.1 | Not readable |
| #155303 text on white | 9.24:1 | AAA | Lc 90.9 | Preferred for body text |
| #155303 text on black | 2.27:1 | Fails | Lc -11.4 | 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
#C8E2C2
oklch(88.5% 0.051 139.8)
-
Step 300
300
#A1D097
oklch(81% 0.093 140.1)
-
Step 400
400
#6AB75B
oklch(70.8% 0.148 140.4)
-
Step 500
500
#3BA320
oklch(63.1% 0.189 140.3)
-
Step 600
600
#268B00
oklch(55.7% 0.18 140.3)
-
Step 700
700
#1E7500
oklch(49.2% 0.159 140.3)
-
Step 800
800
#176000
oklch(42.8% 0.139 140.3)
-
Step 900
900 (this color)
#155303
oklch(38.8% 0.123 140.3)
-
Step 950
950
#0D2F05
oklch(27% 0.078 140)
#155303 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) | #564A00 | 0.085 |
| Deuteranopia (no green cones) | #4E450E | 0.083 |
| Tritanopia (no blue cones) | #095045 | 0.082 |
| Achromatopsia (no color) | #474747 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #155303
#155303
oklch(38.8% 0.123 140.3)
- #60296C
#60296C
oklch(38.7% 0.123 320.1)
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 #155303, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest #0B5509 ΔE 0.007
- Deep Green #02590F ΔE 0.019
- Navy Green #35530A ΔE 0.032
- Bottle Green #044A05 ΔE 0.033
- Darkgreen #054907 ΔE 0.037
- British Racing Green #05480D ΔE 0.041
- Racing Green #014600 ΔE 0.047
- Pine Green #0A481E ΔE 0.049
Use #155303 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.